Industrial Grade Heavy Duty Lifting Eyebolt 1"- 8 X 2-1/2" Forged, Quenched and Tempered to have higher performance Manufactured to ASME B18.15 & B30.26 ISO 9001 Manufacturer Marking ID: FY Material Certified: Carbon Steel 1035 Tested to ASTM A489 Specifications Proof Load/Tensile Strength Lab Test Verified Hardness & Microstructure Lab Tests Verified WLL (Working Load Limit) or SWL (Safe Working Load): 9000 lbs Machinery eye bolts are high strength bolts for heavy duty applications. Eye bolts provide a method for anchoring chain and wire rope to a fixed surface such as wood, metal, concrete, etc. Forged steel material is extra strong and recommended for industrial lifting & heavy duty rigging applications. Safe working load = 9,000 lbs. Plain self colored. Hex lock nuts are not included.