National Hardware N222-018 2174BC Hook and Eye Turnbuckle in Zinc plated Authorized Replacement for Stanley Hardware Stock #N222-018 Designed for tightening or drawing together various lines and cables Hex body allows for ease of adjustment by hand or with a wrench Steel wire hook on both ends. Safe Working Load (SWL): 130 pounds Extruded aluminum body Extruded aluminum body Designed for tightening or drawing together various lines and cables