Deluxe Table Saw Insert For Delta. Fits Delta & other saws with a 3-3/4"x13-3/8" opening including Powermatic # 63, Grizzly & other imports. Made of 1/2" thick High Density PVC, each insert weighs approx. 18 oz. and are machined for flatness prior to cutting. Our deluxe inserts will withstand temperatures to 0 Degree without shattering or curling.