Manual Chain Hoist, Chain Length 20 15/16 ft, For Minimum Beam Flange Width Not Applicable, For Maximum Beam Flange Width Not Applicable, Headroom 17 1/4 in, Includes Brake Brake Included, Lifting Hook Type Hook with Safety Latch, Maximum Lifting Capacity 4,000 lb, Maximum Lifting Length 20 ft, Mount Type Hook Mounted - No Trolley, Body Depth 6 3/16 in, Body Material Steel, Body Width 7 1/4 in, Brake Type Double Disc Brake, Weston Style, Chain Grade Grade 80, Chain Material Alloy Steel WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)