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. 900 Global Sublime Focus Bowling Ball ? Symmetrical Power, Advanced Precision Experience next-level control and consistency with the 900 Global Sublime Focus, designed for competitive bowlers looking to dominate medium to heavy oil lane conditions. As part of the 800 Series, this high-performance ball combines the innovative Immersed Symmetric A.I. Core with the powerful Reserve Blend 804 Solid Reactive Coverstock for a fresh, angular reaction and incredible down-lane motion. The Immersed A.I. Core is 900 Global?s first symmetric design to feature A.I. Core Technology, pushing boundaries in core engineering. With a lower RG and higher differential, it delivers faster lane response, more track flare, and increased torque. This barbell-style core design not only enhances energy transfer but also retains its shape better after drilling, keeping performance consistent over time. Paired with the Reserve Blend 804 Solid Coverstock, finished at 2000-grit Abralon, the Sublime Focus cuts through oil effortlessly while maintaining a smooth, predictable motion?perfect for when you need a reliable reaction in your arsenal. Why Bowlers Love the Sublime Focus: ? Immersed A.I. Symmetric Core ? Boosts torque, speed control, and drilling stability ? Reserve Blend 804 Solid Reactive Coverstock ? Grips through medium to heavy oil for smooth transitions ? 2000-Grit Abralon Finish ? Delivers a strong mid-lane read with a controlled backend ? Symmetrical Core Shape ? Ideal for versatile layouts and predictable motion ? High Flare Potential (4?5 inches) ? Great continuation and pin carry for strong finishes ? Standout Colors ? Eye-catching mix of black, blue, and yellow Technical Specifications: Core Type: Symmetrical ? Immersed A.I. Core Coverstock: Reserve Blend 804 Solid Reactive Finish: 2000-Grit Abralon RG (15lb): 2.47 Differential (15lb): .056 Mass Bias Strength: N/A Flare Potential: 4 ? 5 Inches Lane Conditions: Medium to Heavy Oil Color: Black / Blue / Yellow Weights Available: 12lb, 13lb, 14lb, 15lb, 16lb Performance Level: 900 Global 800 Series ? High Performance Scent: None Step Up Your Symmetric Game Whether you?re a seasoned competitor or upgrading your arsenal, the 900 Global Sublime Focus offers the smooth control of a symmetric ball with the strength and innovation of A.I. Core tech. Expect more power, more predictability, and better overall results on demanding lane conditions.