Power Oval Inserts

Vise Grip O/PO Bowling Insert One side of the insert is an Oval cut and the other side is a blended Power Oval 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. Drill...