"STANLEY HARDWARE " BOLT HOOKS * Steel * Size In.=3/4 x 10 * Zinc Plated - For 14" - 20" Straps * Adjusts to correct gate sag. * Includes two washers and two nuts per hinge. * Full-threaded hook is bolted through the post and firmly secured with standard size nuts and washers on each side. * Designed for new installations with Stanley"s 130732, 131102, 248047, 131060, 130765, 248039, 168336, and 130799 hinge straps.