Arrow-Notch system provides easy free chaining and 360° handle rotation. Reliable disc brake holds the load in free chain mode. Premium alloy chain. Hardened swivel-latch hooks have throat openings of 1.1in., 1.3in. or 1.7in., respectively. Short handle stroke requires less than 76 lbs. of force. Zinc-nickel-chrome plated finish. Lifts the load 10 feet. Load Capacity (tons): 3, Lift Height (ft.): 10, Required Head Room (in.): 18 3/4