Deep cut and double action spring combine to assure ease of operation and auto holding of bolt projected or retracted. Packed with screws. 1/2 in Dia bolt head, 1 in throw. Polished solid brass faceplate and one piece aluminum rod and bolt. Specifically designed with face plate rounded for simple one-step router installation. O.A Size of 6 in L x 3/4 in W x 1-5/16 in D. Polybagged.