Big Horn 18424 Deluxe Blank Insert W/Screws and Key. 4-1/4" x 14-3/4", includes 4 set screws, allen key & stabilizing pin.
Made in USA 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.