5/8-Inch x 12", Zinc Bolt Hook, Designed For Use As A Replacement Part With National's #292 Bolt Hook & Strap Hinges Or For New Installations With National's #294 Hinge Straps Only, Adjusts To Corre-Count Gate Sag, Includes 2 Washers & 2 Nuts Per Hinge, Full Threaded Hook Is Bolted Through The Post & Firmly SecuRed With Standard Size Nuts & Washers On Each Side.