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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.
THIS ITEM IS NOT COVERED UNDER WARRANTY. THIS ITEM MUST BE INSTALLED BY A PROFESSIONAL DRILLER.
I started using this product just last year. Before I started using it my average was about 180 to 190 now that I switched to the switch grips my average is no less than 205. I have nothing bad to say about this product. If your looking to improve your game I highly recommend this product