Pipe capacity (4 to 24 inches). Additional chain links can be purchased for larger pipe sizes. Cutting torch and three tips included. Control valves for fuel gas, pre-heat and cutting oxygen included. Manual drive (brass worm gears provide smooth motion. A handy clutch allows quick rotation of the machine around the pipe to verify position and square up the chain. Torch holder racks in, out, up and down. Torch holder can be positioned at any angle.