SK-G Gripper Grip fits Smith & Wesson "K" & "L" Frame Revolvers with a Square Butt.Instructions : 1.) Remove the old grip screw and grip 2.) Open the Gripper grip and fit it to the frame of the revolver making sure the screw holes attach 3.) Screw the screw into the side of the grip – DO NOT OVER TIGHTEN THE SCREW. Over tightening will cause gaps around the frame or bend the insert inside of the grip.