CM Columbus McKinnon Big Orange Grade 43 Clevis Grab Hooks Forged in the US from high quality carbon steel. Clevis hooks have heat treated pins. Hooks are heat treated and tempered. Finishes include self-colored, painted red, or bright zinc (ASME B633-85 Class Fe/Zn 5, Type III). Hooks embossed with chain grade, fractional size, and country of origin (USA) Pack of 1