Extra Heavy Duty, Long Arm, Single Needle Lockstitch Machine, Walking Foot With Reverse. Suitable for sewing heavyweight materials such as canvas, vinyl, leather, synthetics and various coated, laminated and rubberized fabrics. Appropriate for use in upholstery, footwear, leather, canvas industries. Designed for stitching such products as tents, sails, harnesses, tarpaulins, safety belts, parachutes, balloons, industrial bags, boots, book bindings; auto, boat and furniture upholstery, sports and camping equipment, orthopedic appliances, suitcases, knapsacks, and outerwear made of extra heavy duty materials. Designed for extra thick threads. Large oscillating shuttle hook. Reverse Feed. Built-in bobbin winder. Cam take-up lever. Extra high presser lift for sewing extra heavy materials. Heavy balance wheel. Triple Transport (walking foot): Bottom, top, and needle feed.