7740b series air chain hoist 300 lbs lifting capacity features the 7740b air chain hoist has been engineered for production and utility applications for loads up to 300 lbs · light weight and compact design for ease of movement to different work locations · rotary vane air motor · self-adjusting brake holds load securely · may be operated between 60 and 100 psi · pull chain control provides accurate spotting control · standard lift is 10 feet additional lifts are available · standard pull chain length is 6 feet or 4 feet less than lift · steel snap hooks · hook or eye bolt mounted available options ...