This ball ships professionally PRE-DRILLED for your convenience. We?ve simplified the process so you can hit the lanes faster. Based on the ball weight you choose, we?ll drill it to a standard hand size that fits most bowlers in that weight range: X-Small (6lbs): Ages 8 under Small (8?9lbs): Ages 8?11, women?s ring size 8?11 Medium (10?12lbs): Ages 11?15, adult ring size 10 or under Large (13?14lbs): Men?s ring size 10?12 or larger hands X-Large (15?16lbs): Men?s ring size 13+ or extra-large hands Want a different drilling size than standard? Email us immediately after checkout with your order number and your preferred size. Unleash unmatched lane domination with the Motiv Jackal Onyx?a heavy oil destroyer engineered for maximum traction, hook, and longevity. This high-performance solid bowling ball raises the bar for the legendary Jackal series, combining the proven power of the Predator V2 core with an advanced coverstock system built to tear through even the slickest conditions. At the core of this beast is Predator V2, MOTIV?s most formidable asymmetric engine. Known for its fast revving nature and massive flare potential, it delivers explosive backend motion and dynamic control?ideal for bowlers looking to create heavy movement on deep oil. What makes the Onyx truly stand out is its aggressive new Leverage HXC Solid Reactive Coverstock, an evolution of the Leverage MXC shell used on the Subzero Forge. Enhanced for greater grip and even stronger overall hook, this cover is tuned to dig deep into the oil while maintaining powerful continuation. Equipped with Duramax Technology, the Onyx maintains its surface integrity longer?offering reliable, consistent performance well into later games. With a 1500 Grit LSS finish, this ball reads early, grips strong, and finishes hard. Specifications: Coverstock: Leverage HXC Solid Reactive Core: Predator V2 Asymmetric Finish: 1500 Grit LSS RG (15LB): 2.47 Differential (15LB): .055 Intermediate Diff (15LB): .015 Recommended Lane Conditions: Heavy Oil Available Weights: 12lbs, 13lbs, 14lbs, 15lbs, 16lbs Color: Black / Gray / Red Manufacturer: MOTIV Performance Level: High Performance Solid If you're looking to dominate from game one through the final frame, the Jackal Onyx is built to be your go-to weapon for the toughest oil patterns?powerful, relentless, and ready to attack.