NEW SEARS CRAFTSMAN HYBRID TABLE SAW ZERO CLEARANCE INSERT by Peachtree Woodworking PW 946 The insert is blank so you can custom fit the blade slot by passing your blade through it. Helps to prevent tear-out plus close the large factory gap. Models 22104 - 22114 - 22124 13 11/32" X 3 3/4" - Made of UHMW