Zero Clearance Inserts for Dewalt 7491, 7491RS, 7490 (Type 1), 744, 745, 746, 74

The product can be easily cut and sanded until it fits your machine perfectly. 【Easy Installation】All you have to do is place the zero clearance insert on the table saw, fine level it with the offset screws if necessary, cut a riving knife slot with minimal clearance, and you’re ready to go!