This is a genuine OEM replacement table Insert used on Jet band saws. Table Saw Inserts reduce splintering and chip-out on the cuts. It also prevents thin slices of wood from jamming in between the blade and the plate during a cut. If an insert is missing or damaged it needs to be replaced. This part is made out of metal and it is sold individually. For Use With: Jet JWBS-14DXPRO Delux Pro Band Saw JWBS-14DXPRO Delux Pro Band Saw JWBS-14CS (708115K) 14-inch Woodworking Band Saw JWBS-14CS (708115K) 14-inch Woodworking Band Saw JWBS-14OS (708113A) 14-inch Woodworking Band Saw JWBS-14OS ...