JBM1005 Features: * Made in USA * 4000 lbs capacity * 2:1 safety factor * 6" maximum lift * 3/16"" cable diameter * 9 lbs Construction: * Use for hoisting motors, shafts and gears, lifting construction-material, erecting buildings and towers, moving heavy equipment, placing and installing machinery, demolishing building structures, and lifting automobile engines Specifications: * 30: 1 leverage