Get the same great feel in every ball you own with Switch Grip® Interchangeable Inserts.
 
No more 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. Switch Grip® can also be used with custom thumb molds. Switch Grip® is the most reliable and versatile interchangeable insert on the market.