Used Floor Hoist is constructed of sturdy, heavy-gauge steel. Manual hand crank with hook chain allows for a variety of uses. Excellent mobility with 4 casters (2 rigid and 2 swivel). Used Floor Hoist is constructed of sturdy, heavy-gauge steel. Manual hand crank with hook chain allows for a variety of uses. Excellent mobility with 4 casters (2 rigid and 2 swivel).