Turbo Quad Bowling Ball Finger Inserts ? Dual-Sided Design for Custom Fit and Control Enhance your bowling performance with Turbo Quad Bowling Ball Finger Inserts, crafted for bowlers seeking a tailored fit and improved release. These inserts are available in 19 sizes and 9 vibrant colors, with two standard diameters: 31/32? for sizes 19/31 to 13/16 and 1 1/32? for sizes 53/64 to 29/32. Each insert features a dual-sided design for versatile use: Side 1 offers a Perfect Oval shape, precisely milled to match the natural contour of your fingertip for a relaxed and comfortable grip. Side 2 features a Power Lift 1/4? pad designed to increase loft and release length, providing a crisp, clean feel with its flat edge and smooth surface. Each purchase includes 10 inserts of the chosen size and color, plus 1 tube of glue for secure and easy installation ? ideal for customizing your ball or replacing worn inserts. Key Features: Dual-sided insert: Perfect Oval for natural fingertip fit, Power Lift 1/4? for enhanced loft and release Available in 19 sizes and 9 colors to match your style and grip needs Standard 31/32? diameter for smaller sizes, 1 1/32? diameter for larger sizes Package includes 10 inserts and 1 tube of glue Specifications: Insert Type: Bowling Ball Finger Inserts (Dual-Sided) Diameter: 31/32? (sizes 19/31 to 13/16), 1 1/32? (sizes 53/64 to 29/32) Sizes Available: 19 sizes Colors Available: 9 colors Quantity: 10 inserts + 1 tube of glue