Lifting Grade Components For Heavy Duty Jobs Manufactured with lifting grade alloy components for extra heavy duty towing and lifting applications I-beam grade 80 15'' J-hook with clevis head for secure chain attachment Includes 3/8'' Grade 80 chain legs and a lifting grade oval master ring Patented nose design reduces hook slippage on chain Load rest reduces load rolling out of hook bowl Grab hooks at the top for precise chain leg adjustment Includes a certified lifting tag for OSHA compliance Safe working load at 60 degree angle is 12,000 lbs. Meets all DOT specifications