Grade 80 alloy chain fittings are a heat-treated alloy steel designed for high strength and abrasion resistance, and are rated for overhead lifting applications. Our grade 80 chain fittings are manufactured with high quality alloy steel and have a protective powder coat finish. Our grade 80 swivel type hooks include: swivel self locking hook, swivel self locking hook with bearing, swivel hook, lifting swivel, swivel lifting point.