Vise Insert Thumb Slug It Top Sleeve
This fits on 1 1/8, 1 1/4, and 1 3/8 slug sizes
Use glue to adhere the top sleeve to the top of the drilled hole in the bowling ball.
Vise Insert Thumb Slug It Top Sleeve
This fits on 1 1/8, 1 1/4, and 1 3/8 slug sizes
Use glue to adhere the top sleeve to the top of the drilled hole in the bowling ball.
Vise Inserts Vacu-Grip - 10 Pack
A comfortable secure fit
Allows for swelling
Makes the ball feel lighter
Create more ball speed
Add revolutions
The cleanest release ever