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. Columbia 300 Ricochet Return Bowling Ball ? Explosive Performance Meets Versatility Take your game to the next level with the Columbia 300 Ricochet Return Bowling Ball, engineered for bowlers who demand both power and precision. Featuring the trusted Ricochet core paired with the advanced HK22C Micro Flex Hybrid coverstock, this ball delivers a reliable skid/flip motion with sharp backend reaction, making it ideal for house shots and league play. The polished box finish ensures smooth lane travel, while the bold blue and white design increases lane visibility and confidence. Whether you?re refining your technique or chasing strikes, the Ricochet Return combines control, versatility, and eye-catching style to elevate every frame. Key Features Ricochet Core: Symmetrical design for dependable performance. HK22C Micro Flex Hybrid Coverstock: Versatile coverstock for medium to heavy oil conditions. Skid/Flip Motion: Smooth front-end glide with sharp backend turn. Polished 500 Grit Finish: Optimizes lane reaction and control. Flare Potential: 4?5 inches for predictable hook. Color: Blue/White for bold lane presence. Perfect For: House shots and league conditions. Specifications Brand: Columbia 300 Core Name: Columbia Ricochet Core Core Shape: Symmetrical Coverstock Type: Hybrid Reactive Coverstock Name: Columbia 300 Micro Flex Hybrid Reactive Radius of Gyration (RG, 15LB): 2.48 Differential (Diff, 15LB): 0.054 Mass Bias Strength: N/A Flare Potential: 4?5 Inches Surface Finish: 500 Grit Polish Lane Conditions: Medium?Heavy Oil Ball Weights Available: 12LB, 13LB, 14LB, 15LB, 16LB Performance Level: Advanced / High Performance