This ball ships professionally PRE-DRILLED for your convenience. We?ve simplified the process so you can hit the lanes faster. Based on the Bowling 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. The Motiv Primal Shock brings together the best of two iconic releases?Primal Rage and Venom Shock?to create an unbeatable crossover Bowling Ball. Featuring the Turmoil MFS cover from the Venom Shock and the powerful Impulse V2 core from the Primal Rage, the Primal Shock is built to dominate medium to heavy oil conditions while offering exceptional mid-lane traction and impressive backend motion. Turmoil MFS technology has long been a benchmark in the MOTIV line, delivering smooth mid-lane traction combined with strong down-lane movement. Featured in the Venom Shock, this coverstock offers a unique balance of control and aggression, making it perfect for bowlers looking for consistency and versatility on the lanes. At the core of this performance beast is the Impulse V2, the same core used in the Primal Rage. This dual-density, high-RG design ensures explosive energy retention and creates massive flare potential for strong down-lane motion, significantly elevating the performance compared to the Gear core in the Venom Shock. When paired with the Turmoil MFS cover, the Primal Shock becomes the ultimate Bowling Ball for bowlers seeking a medium-heavy oil monster with excellent angularity. Specifications: Coverstock: Turmoil MFS Solid Core: Impulse V2 Asymmetric Finish: 1500 Grit LSS RG (15LB): 2.47 Differential (15LB): .050 Flare Potential: 5+ Inches Recommended Lane Conditions: Medium to Heavy Oil Available Weights: 12lbs, 13lbs, 14lbs, 15lbs, 16lbs Color: Purple Solid Manufacturer: MOTIV Performance Level: High Performance Solid Primal Shock is the perfect blend of control and aggression, designed to deliver strong traction on medium to heavy oil lanes while still offering impressive angle and continuation down the lane. Don't miss out on the Bowling Ball that?s been eagerly awaited by bowlers since 2013!