(10) Description Reviews (35) Videos (5) Drilling Layouts (7) Be a star on the lanes with the RST X-2 from Roto Grip Bowling. Add a ball to the comparison list either by clicking its name or by pressing the Enter key when it is highlighted. Roto Grip(11) Category. This monster will power through medium to heavy lane conditions with ease. Core paired with e-Trax Hybrid Coverstock, Roto Grip has created a beast in the UFO Alert. 99. Share on Facebook. Compare the specs of the Roto Grip UFO Alert and Roto Grip Clone side by side in the ball comparison table below. Compare the specs of the Roto Grip Clone and Roto Grip UFO side by side in the ball comparison table below. instagram. Etrax is a cleaner and more responsive formula like R2S, but stronger overall. Dec 18, 2020 · Roto Grip MVP Pearl Layout: 4 x 3. Roto Grip RST X-3 vs. Consistency is the key for RST X-3. Compare the specs of the Roto Grip UFO and Roto Grip Rubicon side by side in the ball comparison table below. Surface: Box surface (2000 Abralon) The Gem is exactly as advertised, hook in a box! The Defiant LRG core is back giving this ball a really low RG rating of 2. Overall THS: B+ Sport: B+ Roto Grip replaces the Halo with the new UFO. Roto Grip RST X-1 vs. 49 RG, . $29. 5 Rev Rate: 325 rpm, 7 degree of axis tilt, 40 degree of axis rotation Testing information: 40 foot THS (medium to light volume) Bowling Center: Fulton Bowling Center Kegel Machine – Brunswick Anvilane The Roto Grip MVP Pearl utilizes the Neutron NXT Core and VTC-P19 pearl coverstock. This high-performance bowling ball utilizes the E. UFO $174. Layout: 5 x 3. About; Bowling Contact Page; Hook Bowling Techniques and Getting Started with Bowling. stormbowling. $2. twitch. The only changes between these two bowling balls are the color scheme and the coverstock. And with its proven RST (Roto Star Tour) Core and the new MicroTrax Hybrid cover, the RST X-3 brings results! So, let’s look at how the RST X-3 dominates on a THS. 52, Diff of . rotogrip. 53″, a differential of 0. 75 x 2. Show Filters. The masterminds in Utah decided to beef up the HP2 line with the lowest RG core ever made to give the bowler a great compliment to the HP3 line. UFO. The Roto Grip GEM is a ball I tried really hard to like, because so many people have had success with it and it Compare the specs of the Roto Grip Wild Streak and Roto Grip UFO side by side in the ball comparison table below. What I wanted from this ball: I was looking for a new heavier oil condition ball while trying a new layout. com Grip Sack. 53, diff of . The latest addition to the Roto Grip HP2 line is the Hyped Pearl. Key Features. Package Weight. The new Rondure core in 15 pounds has a 2. 33 x 8. 032, the Hyped Pearl is a perfect addition to the line, especially for medium oil conditions. 55, a differential of 0. Back End Legend: For more information about our bowling ball testing and review process, please click here. May 11, 2021 · 9. 054"M/b: n/aSurface: 2000 Grit SandedCore shape: SymmetricManufacturer's Intent: Introducing the Roto Grip Optimum Idol, a revamped version of the original Roto Grip Idol bowling ball, building upon its global triumph. 054, psa of . 054, mb of . 016 Coverstock finish: 1500 grit polish Sep 22, 2021 · The UFO Alert has a 2. UFO Alert is wrapped with an Enhanced Traction (E-Trax) coverstock that provides more mid-lane roll and a rounded shape at the breakpoint. The rg and diff are exactly the same as the Idols, and Giant See Saw. Layout - 55 x 4. Inside, the Defiant LRG asymmetric core will produce an overall strong hook from start to finish. Compared to the UFO Alert its more length and more angle. 016 14 pound = RG of 2. Roto Grip releases the new piece for the RST line, the RST X-2. Out of the box this ball was a hook monster and forced me into the 4th or 5th arrow on a fresh house shot. The RST X-2 cover is the eTrax PLUS Pearl, which comes with a 1,500-grit polished box Finish. The Roto Grip UFO Alert bowling ball works well with bowlers anywhere in the universe regardless of your bowling style, rev rate, or ball speed. $9. Compare the specs of the Radical Katana Dragon and Radical Katana Legend side by side in the ball comparison table below. As you type, the list of available balls is filtered. 99 $15. Continuing to the outer shell, the Clone uses the new OptiTrax Solid Reactive cover. Roto Grip Hustle X-Ray Bowling Ball $ 109. 5 x 70. It is clean like the Nuclear but stands up in the mid-lane like the Fused! Roto Grip UFO Alert Bowling Ball Our obsession with helping players of all ages and styles conquer various lane conditions while abiding to forthcoming governing rules, led to the development and creation of the asymmetrical E. IKON Kegel Machine – Brunswick Anvilane. May 23, 2020 · The UFO is Roto Grip's newest big asymmetrical bowling ball that gives players the confidence in a bowling ball that will hook on anything and everything. Out of the box the UFO is EARLY and STRONG. Menu. Item Weight. Bookmark the permalink . Huge core in a huge cover makes for a new strong defined ball in the lineup. Aug 1, 2021 · The Roto Grip UFO Alert Bowling Ball uses the E. 5 Storm Pin Buffer Layout. 92 Kilograms. Rotation 50. See Performance Ratings For more information about our bowling ball testing and review process, please click here. Compare the specs of the Roto Grip UFO and Roto Grip Idol Pro side by side in the ball comparison table below. Discontinued(18) Worldwide(11) Core Shape. Layout: 45 x 4. With an RG of 2. 15 pound = RG of 2. This cover/core combo presents yet another versatile piece that some will tend to use as a benchmark ball. 10 x 10 x 10 inches. 99 $13. Check out our friends Jeff Miller and Ron Hoppe at Haley’s Pro Shop for world class drilling and coaching! Tamer Elbaga (Lefty) Style: Tweener. Compare the specs of the Roto Grip Hyped Hybrid and Roto Grip UFO Alert side by side in the ball comparison table below. The star of the Roto Grip Nuclear Cell Bowling Ball is the asymmetric Nucleus core — one of the most popular cores in the Roto Grip oeuvre. ly/397DhevIn this video, Jordan (Jungo) Jung reviews the brand Mar 5, 2022 · The Roto Grip Gem features the MicroTrax cover and the Defiant core. 053, and a MB differential of 0. The UFO is Roto Grip’s newest big asymmetrical bowling ball that gives players the confidence in a bowling ball that will hook on anything and everything. Hook Potential: High. Note: I am catching up on ball reviews that ideally would have been a couple of months ago if not for the overwhelming amount of news I have focused on in 2022: ball hardness and the turmoil at the IBF, most notably. 52 (for 15# ball) Differential: 0. = Equalizer Technology (14-16#) Coverstock: e-Trax Hybrid Reactive. Roto Grip Rubicon UC2 vs RST X-2 vs UFO Alert In Depth Comparison & Analysis by Luke Rosdahl The core and cover pairing for the UFO Alert is ideal for medium to medium-heavy house-type oil conditions. 049, mb of . 53 and differential of . X Factor Hook Rating Scale (1-20) 18: SKU: RGUFOALERT. The cover is the S84 Response Solid. RPM: 375 rpm. com/thebowlingchad/Facebook: https://www. The original UFO was one of the strongest asymmetrical solids to date. BagsAccessories#SquadRG. The REALITY for me provides a rounder, fairly continuous motion that reminds me most of the Roto Grip UFO. The VTC Pearl Reactive veneer is the same cover that can be found on the balls in Roto Grip’s current HP1 line. With my PAP of 4 7/8 over and 5/8 up, the ball numbers are 5 1/8 pin-PAP, 4 mb-PAP, and 3 1/2 pin buffer. Core (Asymmetrical) inside the eTrax Hybrid reactive coverstock. 62 inches. 5 x 25. To view the full bowling ball review for one of these balls, click the ball name link in the table below. For 14-pounders, the RST has an RG of 2. 51"Differential: . Users have lauded the ball’s exceptional performance, especially in heavy oil conditions. The Defiant LRG asymmetrical core is a modified version of the core that was found in the Defiant series of bowling balls. This will no doubt be the strongest ball in your bag. Dec 31, 2019 · Find out more about the UFO at: https://www. Brand Name. After a few games the cover settled down a bit for me and this is where the ball really began to shine. Compare the specs of the Roto Grip Rubicon UC3 and Roto Grip UFO Alert side by side in the ball comparison table below. facebook. Core - Equalizer Technology which has built-in "Equalizer Cavities" that take the place of past weight holes to create more mid-lane movement as Roto Grip Clone vs. UFO Alert Review. Formulated for ALL bowlers regardless of their style or their skill level. LOOK OUT!!! It’s a UFO Alert! Oct 8, 2021 · The X-2 has a medium RG of 2. Speed at release 17 Review: The new Hyped Pearl is a great looking ball with a ton of performance at an excellent price. Roto Grip Rubicon UC-3 Layout: 45 X 4 X 35 - 1000 grit from factory - enhanced to 3000 grit by hand Test drive on SPL lane surface with 46ft THS with a Kegel ION lane machine OK, It is not your average urethane bowling ball. 054 differential and an . Jun 17, 2021 · Storm Pro Shop Staffer and BowlersMart Pro Shop Operator Anthony Wiegand throws the UFO Alert, the latest asymmetric hybrid bowling ball announced from Roto Jan 29, 2020 · Subscribe for weekly bowling videos and ball reviews on the newest bowling balls - https://bit. Overall The Attention Star is the latest Roto Grip shiny asym. I’ve seen several other high-level players throw it, including Matt Gasn and Derek Eoff, and like me they UFO $174. Tilt 20. With the pearl and polish elements the ball will get through The eTrax is not quite as strong as the MicroTrax solid that is in the Roto Grip UFO, which was my favorite strong ball at the time the pandemic shut down bowling in March 2020. Very similar core specs as well. 75 The new Clone is the latest asymmetric piece in the Roto Grip line. Roto Grip Halo Vision vs. Compare the specs of the Roto Grip Nuclear Cell and Roto Grip UFO side by side in the ball comparison table below. « on: June 12, 2021, 04:36:49 PM ». Roto Grip Bowling Products. Its stronger, sanded cover picks up earlier than previous MVP releases, which was the biggest difference our testers saw between this ball and its predecessors. Compare the specs of the Roto Grip Rubicon UC2 and Roto Grip UFO Alert side by side in the ball comparison table below. As I do with all box shiny balls, I Brunswick Sidekick Single Tote. Purchase the Roto Grip No Rules Exist and other Roto Grip Bowling Balls from the HP4 Line with Free Shipping, No Min. Speed at release 17 Review: This ball hooks! I am becoming more and more impressed with the Roto Grip Gem as I bowl with it. Ball Brand. Dec 27, 2019 · Provides great traction on heavily oiled lanes, Color: Deep Purple/Baby Blue/Neon Green All colors do vary somewhat from the picture shown Core: E. 52 RG, . Obviously the UFO remains in my arsenal and the RUBICON looks like a great companion piece, with slightly less strength and different motion due to the different core Roto Grip. It comes 2,000-grit box finish. Compare the specs of the Roto Grip UFO Alert and Roto Grip Hyped Hybrid side by side in the ball comparison table below. 53 a high differential of 0. Length: Late. To bring this all together, the eTrax coverstock is the most responsive coverstock down lane created to date by Roto Grip combined with the Roto Star core gives you a more aggressive and responsive than the Rubicon UC2 or the Idol Synergy. Roto Grip Exotic Gem. The RST X-1 is the first entry into a new series in the HP4 line for Roto Grip. 016 Coverstock finish: 2000 grit abralon. 016. To select specific bowling balls, simply start typing a ball name into the box. It features a brand new core with a MicroTrax S20 cover. Bowling. Wrapped in the MicroTrax Hybrid reactive coverstock and finished at 4K Fast factory finish, RST X-3 grips onto medium to heavy lanes providing a strong overall ball motion for any level bowler. ™ Core = Equalizer Technology™ (Asymmetrical) core inside the MicroTrax-S20™solid coverstock. The UFO has the Equalizer Technology Asymmetrical Core wrapped with the MicroTrax-S20 coverstock. Weight Roto Grip Hustle X-Ray Bowling Ball Features: Roto Grip's newest release to the HP4 line is here. 99 $44. patreon. (Equalizer Technology) core has a higher RG, higher differential, and lower intermediate differential than the Centrum core from the Halo series. 10 Pounds. This ball uses a similar asymmetrical design called Cloned ET that results in a slightly lower RG and a slightly higher total differential. That doesn’t necessarily mean its only use will be on heavy oil. 4. It is as good as The UFO Alert Bowling Ball has received a wave of positive reviews from the bowling community, boasting an average rating of 4. Roto Grip MVP Pearl vs. For my UFO ALERT, I chose my standard pin over bridge with a strong drilling angle. ly/382EgwMUFO Alert: https://www. 046, mb of . Serving bowlers since 1990! With the E. Coverstock: MicroTrax-S20 Solid Reactive Finish: 2000-grit Pad RG: 2. The Roto Grip Gem features the new Defiant LRG core and the very aggressive MicroTrax Solid Reactive coverstock. Every Item Every Day, NO Handling fees, NO Packaging fees, and the #1 Customer Service in Bowling. The Roto Grip UFO high performance bowling ball introduces the E. The Roto Grip Hyped Pearl uses the same symmetrical Hyped core and the same 1500 grit polished box finish as the Hyped Hybrid. T. At times my standard pin down layout with the 4 3/4" pin to pap distance gets very early rolling on high friction balls. 95 FREE SHIPPING. Roto Grip UFO Alert Bowling Ball now available at BowlersParadise. 47 and high differential of 0. Roto Grip has seamlessly integrated original components with cutting-edge advancements in coverstock and outer Sep 16, 2022 · Because the all-new Roto Grip RST X-3 is precisely that, explosive! The RST X-3 is the hardest rolling and most responsive weapon in the RST line. Compare the specs of the Roto Grip Rubicon and Roto Grip UFO side by side in the ball comparison table below. … As is my standard procedure, I hit my UFO ALERT with a 4,000-grit Abralon pad to take the gloss off and hopefully avoid those squirty 2-8-10s. « Reply #6 on: February 07, 2011, 07:11:43 PM ». You Save: $95. Comparing it to the original UFO and RST-X1, Jungo t Roto Grip Rubicon vs. Torque Legend: Back End Legend: For more information about our bowling ball testing and review process, please click here. Basically, what you are getting with Roto is X Factor Hook Rating Scale (1-20) 14: SKU: RGHUSTLEXRAY. Many have expressed satisfaction with the ball’s predictable path, robust impact, and increased strike Roto Grip UFO Bowling Ball Features: The Roto Grip UFO uses the newest and most aggressive version of the MicroTrax coverstock, finished at the factory with a 2000 grit surface. Core (Equalizer Technology Core) which features built in cavities in order to increase weight displacement after Ball Specs: Roto Grip Gem Micro Trax Solid Reactive Asymmetric Defiant LRG Core Finish grit 2000 Sanded Bowler Specs: Right Hand. See Performance Ratings Sep 22, 2021 · This entry was posted in Bowling Ball New Releases, Bowling Ball Videos, Luke Rosdahl Bowling Ball Reviews, Luke Rosdahl Reviews, Roto Grip Bowling Ball Videos. For me Roto has always been a control bowlers dream manufacturer. This strong reactive cover was seen previously in various formulations on balls like the Idol, Halo, and RST X-1. Item Dimensions LxWxH. May 15, 2024 · Our reviews are unbiased, honest, and in-depth. All three testers rated this ball highest on the The Clone feels like the Eternal Cell reincarnated. Finish: 1500-grit Polished. 014 Coverstock finish: Reactagloss. It’s known for its versatility and strong motion, and it does wonders paired with the brand-new eTrax-P20 pearl reactive coverstock. As a follow up to the popular RST X-1 release, this ball features the same great asymmetric RST core (Roto Star Tour Core). com/ufo-alert-bb Reviews Your competition wont be able to identify this object as it flies down the lane. See Performance Ratings The Rubicon features the etrax s20 solid coverstock and the new mild asymmetric Rondure core. Compare the specs of the Roto Grip Idol Synergy and Roto Grip UFO side by side in the ball comparison table below. Core - Equalizer Technology which has built in "Equalizer Cavities" that take the place of past weight holes to create more midlane movement as well as continuation down the lane. Hover over each colored circle in the graph to see that ball’s name and ratings. 053 and 0. The new core is surrounded by the new MicroTrax Hybrid coverstock that comes out of the box at a Compare the specs of the Roto Grip Idol Pro and Roto Grip UFO side by side in the ball comparison table below. Compare the specs of the Roto Grip Idol Synergy and Roto Grip UFO Alert side by side in the ball comparison table below. Roto Grip fans will remember the Equalizer Technology core design that was found in the UFO and UFO Alert. The new Hyped core is a medium RG, medium differential shape that has a slightly lower RG and For more information about our bowling ball testing and review process, please click here. 054 and PSA of . 99 $5. Join us as a premium member and get instant access to 1218 in-depth and unbiased bowling ball reviews, our on-lane performance ratings for each ball, and access to our popular The MVP Attitude comes out of the box at a sanded 3000 grit finish, making it rougher than both the original MVP and the MVP Pearl. Compare the specs of the Roto Grip Clone and Roto Grip UFO Alert side by side in the ball comparison table below. Aug 30, 2023 · Layout: 5. T. Jan 26, 2024 · The Roto Grip Attention Star uses the Momentous™ asymmetric core inside the eTrax Plus Pearl Reactive coverstock. For more information about our bowling ball testing and review process, please click here. This was the same motion feel of the X-1 just later downlane, strong yet predictable motion. Today's Price: $154. RG: 2. Layout: 45 degrees x 5 1/4" x 70 degrees. However, the Gem revives the core shape from the original Defiant we enjoyed so much. From the HP4 line, this is a noticeably strong ball – indeed, a high-end aggressive bowling ball. Testing information: 41 foot THS (medium to light volume) Bowling Center: Fulton Bowling Center. Today we are ranking all the bowling balls in the SPI family! Storm Roto Grip and 900 Global! What bowling balls do you think I will end up loving and hating Jul 30, 2023 · Check out my Twitch Channel! - https://www. tv/vitamin_dtangAnother way to support! - https://www. 52, diff of . This is our review of the Roto Grip UFO Alert Bowling Ball!Buy the UFO Alert here: https://bit. com. Hitting Power is great like every Roto Grip Ball I’ve thrown. 5 x 3. This ball features the brand new asymmetrical Roto Star Tour (RST) core, with an RG of 2. The UFO is the newest ball coming from Roto Grip. Tac Up Bowling Ball Cleaner 8 oz. Rev Rate: 325 rpm, 7 degree of axis tilt, 40 degree of axis rotation. Customers often buy these items similar to the Roto Grip Exotic Gem. 00 (38%) Quantity: Description Reviews (37) Videos (9) Drilling Layouts (5) Here comes the "boom" with Roto Grip TNT! Explosive new ball motion is here in the newest 2023 Roto Grip release! Featuring the new Torpex symmetric core, this low RG/high diff shape will help create a strong overall hook motion Compare the specs of the Roto Grip UFO and Roto Grip Wild Streak side by side in the ball comparison table below. Roto Grip UFO Alert Bowling Ball Roto Grip UFO Alert Bowling Ball Features: ** Effective March 30, Jan 10, 2020 · Roto Grip UFO Ball Review. The last big ball was the UFO which had the Microtrax cover. VISE Power Lift & Oval Grip Clear. The Rondure cover was designed to have a better ball motion than other ASYS cores with a weight hole like in the past. The Roto Grip Gem is somewhat of a simple formula. Compare the specs of the Roto Grip Halo and Roto Grip UFO side by side in the ball comparison table below. I used to be a storm/roto fanboy, and for me the difference was always where the balls hooked. 011 split, or intermediate differential. Aug 11, 2021 · This HP4 line ball is an asymmetric ball with the RST X-1 core. « on: January 10, 2020, 06:20:35 PM ». Click here to add or remove balls from this comparison. Both RSTs use the asymmetrical Roto Star Tour core, which doesn’t differ greatly from 16 to 15 to 14 pounds. roto grip. No products found. PAP 5” Over 1/2 up Rev Rate 300. Ball Specs: Roto Grip Hyped Pearl Pearl Cover stock 1500 Grit Polished Hyped Symmetric Core Layout 4 x 4 w/ 2” pin buffer Bowler Specs: Right Hand. 48, diff of . When you encounter a high-end ball with such a finish, you get a clear indication of its intended direction. But the Roto Grip RUBICON UC3 did blow me away from the first shot I rolled with it, as it hooked about two arrows more than any urethane I’ve thrown since the 1990s, when oil volumes allowed that era of urethanes to hook that much. Don't let the name fool you. com/tangdynastybowlingJoin the Tang Dynasty! Layout: 60 degrees x 5 1/2" x 45 degreesRG: 2. 054 (for 15# ball) Compare the specs of the Roto Grip Rubicon and Roto Grip UFO Alert side by side in the ball comparison table below. All colors do vary somewhat from the picture shown. 016″. 5 x 2. The Hyped Hybrid is one of two new bowling balls in the HP2 line for Roto Grip, along with the Hyped Pearl. 52 (for 15# ball) Differential: 0. Compare the specs of the Roto Grip MVP Pearl and Roto Grip UFO side by side in the ball comparison table below. Mar 3, 2022 · Gem Review. Roto Grip UFO. A big solid shined up so you can use it more often seems to yield a benchmark type ball. 016 split, so it naturally wants to get down the lane a bit further and has a bit more torque, and the etrax HYBRID cover while still responsive is a bit earlier and smoother than the etrax pearl. Color: Purple Solid/Emerald Pearl/Teal Pearl. Core: E. 25 x 3. $12. Gem. I found the best line to play is stand left and just throw right. Whereas Storm has always been the boomers dream manufacturer. 14 & 15 pound = RG of 2. Apr 30, 2021 · 6) Roto Grip Nuclear Cell Bowling Ball. 51 at 15 pounds), allowing it to lope a little further down lane and get through the fronts a little better. 66 x 8. . Compare the specs of the Roto Grip RST X-2 and Roto Grip UFO Alert side by side in the ball comparison table below. « on: March 03, 2022, 11:53:20 AM ». Compare the specs of the Roto Grip RST X-3 and Roto Grip Exotic Gem side by side in the ball comparison table below. It's Where Bowlers Go! Re: Storm vs. Skip to content. The first thing that caught my eye was its unique two shades of green and its polished finish. I wanted to try a slightly weaker layout on an Finish: 1500-grit Polished. It features the VTC Hybrid Reactive coverstock, which comes out of the box with a 1500 grit polished finish, along with an all-new core. 95. 7 stars out of 5. com/balls/rotogripufoInstagram: https://www. Roto Grip UFO Alert. When combining the two features, UFO Alert gives the user the most rounded/controlled look in a Storm or Roto Grip polished asymmetric ball in their lineup in my opinion. The REALITY was the first ball in the line featuring the Disturbance Asymmetric core. Roto Grip RST X-2 vs. 054 (for 15# ball) Recommended Lane Condition: Medium to Medium/Heavy Oil. 017 14 pound = RG of 2. Use the form below to select up to 12 balls to compare side-by-side. That's why we've been the trusted partner of thousands of pro shops, coaches, and serious bowlers for over 25 years. Roto Grip Attention Star. Compare the specs of the Roto Grip UFO and Roto Grip Nuclear Cell side by side in the ball comparison table below. The new asymmetrical E. The Gem features MicroTrax Solid reactive coverstock finished at 2000-grit sanded. Compare the specs of the Roto Grip RST X-1 and Roto Grip UFO Alert side by side in the ball comparison table below. Compared to the current high-performance asymmetric offerings (Gem and Exotic Gem), the new Cloned ET Core has a higher RG (2. 052 differential, and an . If the Hyper Cell Fused and Nuclear Cell had a kid it would be the UFO Alert! This is currently Utah's best high end Asymmetrical bowling ball! I believe it is the most user friendly and matches up to the most styles. Jan 7, 2020 · The Roto Grip UFO uses the E. 016 intermediate differential in 15lbs with the MicroTrax Solid coverstock. A few tiny pit holes in the cover stock of the ball are normal. Compare the specs of the Roto Grip Halo Vision and Roto Grip UFO side by side in the ball comparison table below. Jun 11, 2021 · Roto Grip UFO Alert Hey everyone, I’m back with another ball review, and this time it’s for the Roto Grip UFO Alert and In 15 pounds this ball is wrapped in the eTrax Hybrid Reactive Coverstock and comes 1500-grit polished with an RG of 2. The UFO Alert features the same ET core although this time matched with the E-Trax hybrid cover to prevent reading and grabbing the front part of the lane. Feb 27, 2022 · Overall. 053 and a low intermediate differential of 0. Your competition wont be able to identify this object as it flies down the lane. 053″, and an intermediate differential of 0. Roto Grip Balls. Click a circle to view that ball’s full review. tu kf kx gr ed wk zn sh rt gc