Check the listing for details. Turbo Rev Bowling Finger Gripper. Color: Yellow or Clear Ice, Condition: New. Listed at 11.79 USD. Turbo Rev Bowling Finger Gripper Experience enhanced performance on the bowling alley with the Turbo Rev. This innovative accessory provides supplemental support, effectively relieving stress associated with repetitive strain and overuse injuries. Non-Traditional Finger Grip The Turbo Rev unique design ensures maximum comfort and protection, allowing you to focus on your game without any discomfort. Axis Rotation Benefits Choose the Turbo Rev based on your playing style: Index Finger: Experience more axis rotation for precision shots. Pinkie Finger: Reduce axis rotation, providing stability for a controlled game. Available Sizes Find the perfect fit with our range of sizes: Small (S), Medium (M), Large (L), and Extra Large (XL). Size Guide Ensure the right fit with our size guide: Small (S): Inner diameter 19/32 inches Medium (M): Inner diameter 21/32 inches Large (L): Inner diameter 23/32 inches Extra Large (XL): Inner diameter 25/32 inches Note: Inner diameter dimensions are approximate and may vary up to 1/32 inch.