Storm turbo Switch Grip Outer Sleeve-Installed

Get the same great feel in every ball you own with Switch Grip Interchangeable Inserts.This revolutionary two-piece insert assembly allows bowlers to remove and interchange thumb inserts from one ball to another for the same fit and feel every shot. No more fussing and fighting installing and removing tape. With just a simple "Twist & Click", bowlers can make a ball change using the same thumb or better yet change thumb size due to shrinking or swelling. Bowl with confidence. Switch Grip™ will help you repeat shots no matter what ball you use. Who's Using Switch Grip?Switch Grip™ is USBC and PBA Approved. It is used by many of the top PBA professionals today, including PBA Tour and International Champion, Mika Koivuniemi. Through continued improvement, Switch Grip™ is now the leading interchangeable thumb insert on the market and is sold in over 12 countries. It is also the official thumb insert of the Hammer Sneak Peak and Storm Showcase programs. Product Features:• Outer Sleeve t