Precision cast components for long life and trouble free operation. Extra large 38-1/2 square inch base is heavily ribbed for strength and load stability. Hot roll-formed, alloy steel beam with holes to accommodate attachment of clevis pins, chains, bolts, ropes, etc. Hollow, special high tensile steel handle locks against beam for convenient storage. Safety Link mechanism prevents abuse, misuse and makes operations safer. Built to current ANSI/ ASME specifications. 28.5 lb. shipping weight.