Contour Power Grips Oval Thumb Sleeve - 1 1/4 Outer Diameter
Contour Power Grips Oval Thumb Sleeve - 1 1/4 Outer DiameterThis pre-formed vinyl thumb insert features a "boxed" oval design that tapers smaller towards the bottom of the thumb hole. The soft material will give you a better grip than urethane thumb inserts and it trims easily with a sharp utility knife.
- Vinyl oval thumb insert with 1 1/4 outside diameter.
For the right size on the I.D. of the thumb sleeve, you get a snug fit, More control, good lift, and a continuous hook on the ball. It is good to know the size of the O.D. as well, different balls are drilled with a different size.
Having a snug fit on the Oval thumb sleeve helps to have better control, more lift, and more hook on the bowling ball. Having the right O.D. and The right I.D. makes it the perfect fit.