Semi Inserts

Vise Grip P/S Bowling Inserts Combo Package One side of the insert is a Power Lift and the other side is a Semi. Drill Size 31/32": 9/16, 37/64, 19/32, 39/64, 5/8, 41/64, 21/32, 43/64, 11/16, 45/64, 23/32, 47/64, 3/4, 49/64,25/32, 51/64 and 13/16...