A self-closing drawer slide assembly for installation between a drawer and the interior of a cabinet is disclosed in conjunction with a compatible mounting socket for mounting the rear of the cabinet member to the rear wall of the cabinet. The socket telescopically accepts the declining rear portion of the cabinet member and is telescopically adjustable to suit a range of variations in the length of the drawer slide or the length of the cabinet. The socket also has a range of lateral adjustment which is transferable into lateral adjustment for the drawer slides assembly once installed.