Designed to lift, transport, and install gas cylinders on welding carts, platforms, pallets and in cabinets or other elevated surfaces. The manual lift system has a jack with an 11-inch (279-mm) extension geared to make lifting easy with approximately 10 turns of the crank per vertical inch.Includes pneumatic 10.5-in (267-mm) main wheels and wide-set, dual 3-in (5-mm) rear swivel casters for increased stability and maneuverability. Fully welded construction, protected with durable, corrosion res