Pachmayr's Prefit Decelerator Recoil Pads provide the ultimate in recoil control and appearance. Drill bit, anchors and screws needed for installation are included. Pachmayr® pre-fit pads are pre-ground to optimum size for the particular guns and are designed to fit within .050" tolerance on factory stocks. Pad thickness is 1". Since gun stocks may vary in size from gun to gun, please check the fit before installing the pad.