Side 1: TheMilled Oval with Smooth Surface Onlyis designed as a perfect oval shape that is flat through the center and most similar to the shape of your fingertip for a very natural and relaxed fit.
(Please note: This Quad Classic oval features a smooth surface only unlike theQuad (Soft Oval Mesh)that has one side of the oval smooth and the other side a textured mesh.)
Side 2: ThePower Regular 1/4"forward pitch increases the loft and length of release through the target. The finger pad has a flat edge and smooth surface for a sharp, clean feel.
All Turbo Quad Inserts feature a patented Glue Groove to minimize excessive adhesive from seeping to the surface.
This style is available in 19 sizes. - Sizes 19/32 through 13/16 have O.D. of 31/32" - Sizes 53/61 through 29/32 have O.D. of 1-1/32"
Turbo Grips Quad Classic Bowling Finger Insert White