Well designed and robust general purpose needle feed, walking foot sewing machine for use on medium to heavy weight materials such as leather, webbing, canvas, PVC, vinyl, coated fabrics, and upholstery materials, etc. Using large vertical axis rotating hook & bases for thread loop catching. Compound feeding system. Safety clutch helps prevent damage to the hooks, bevel gears, and other important parts. Front tape guide is available for double stitch with under tape strengthening, saddle stitch, and top stitch. With strong servo motor (Powerful + Quiet + Accurate Speed Control, different from so call "Energy Saving Servo Motor" or "Power Saving Servo Motor" in the market.