1Suitable for lockstitch or computer sewing machine, you need to replace the presser foot, needle plate and teeth when use. 2This sewing machine binder is made of quality stainless steel with high strength and corrosion-resistance. 3Used for clothing wrapping, insole wrapping etc., which is convenient and practical. 4Sewing machine binder can create many professional sewing processes thereby greatly improved efficiency. 5Easy to install, no other special requirement needed, sturdy for a long service life.