Standard Conventional Drilling Size:Medium Reaction: Easy length with a

Reaction: Easy length with a strong and controllable backend

It also allows cupping adjustments so you can find that perfect setting for comfort as well as performance

large and extra-large

PBA registered product

Heavy-duty hook and loop combined with a neoprene support give the bowler comfort and durability

Standard Conventional Drilling Size:Medium Reaction: Easy length with aThe Standard Conventional Drilling Option are for specs in the chart below only. We do not offer custom drilling options for inserts and thumb slugs or offer any drilling layouts intended to hook a bowling ball. Please choose your size below and add to your shopping cart along with the ball of your choice you wish to get drilled. Once a bowling ball is drilled they may not be returned. Please allow an extra 1 2 business days for your bowling ball to