Extra Heavy Duty, Long Arm, Single Needle, Compound Feed, Alternating Presser Feet, Lockstitch Machine with Large Shuttle Hook And Bobbin, Walking Feet, 13/16” (20mm) Foot Lift. 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 extremely large thread and thick materials. Thick seams, horse saddles, harnesses or stirrups are no match for the strength of this machine. It can also sew tight stitches with a long stitch length.