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. Hammer Raw Hammer Pearl Blue Silver White Bowling Ball ? Clean Motion, Striking Style, Raw Performance Add effortless length and a sharp backend finish to your game with the Hammer Raw Hammer Pearl in Blue, Silver, and White. Designed for performance and value, this eye-catching ball is ideal for dry to medium oil lanes?offering clean skid through the front with a crisp move at the breakpoint. The Juiced Pearl Reactive coverstock paired with the Raw Hammer symmetrical core makes this ball extremely user-friendly while still delivering impressive motion down lane. Whether you're building your arsenal or stepping into performance bowling, this ball helps you do it in style. Technical Specs: Coverstock: Hammer Juiced Pearl Reactive Core: Raw Hammer Core (Symmetrical) Finish: 2000 Grit Polish RG (15lb): 2.53 Differential (15lb): .038 Flare Potential: 3?4 Inches Lane Conditions: Dry ? Medium Oil Color: Blue / Silver / White Weight Options: 10?16 lb Performance Level: Entry Level / Lower Mid Performance The Raw Hammer Pearl Blue Silver White gives you the confidence to attack lighter oil patterns with ease and precision. A perfect choice for newer bowlers ready to level up or for experienced players seeking a clean, predictable piece for their lower-volume lane conditions.