The Air/Hand Pump Hydraulic Shop Crane allows one person to not only maneuver product from one location to another, but lift the product effortlessly with assistance of everyday factory air. In remote areas where your ailine does not reach you can lift your product with the hand pump hydraulic option. Air raises unit 7" to 8" per second while hand pump raises units ½" per stroke. Units roll smoothly on 3½" x 1¼" cast steel casters. The innovative hoist offers heavy duty lifting power, while optimizing space when in the collapsed position. Standard features: foldable legs, adjustable boom, swivel hook, and steel construction. See chart below for specs.