Superior safety factory rated 4 times capacity. Very low headroom. Tested at 150% rated capacity. Grade 80 black chain tempered to ISO 3077. Galvanized pull chain. Hardened 2-stage gears and hardened pinions supporting roller bearing shears. Capacities available up to 10,000 lbs. -- call for details. Meets ASME B30.16 Standards. FOB Shipping Point. Due to tariffs and market conditions, pricing subject to change.