[Fitment]:Adjustable Invisible Zipper Presser Foot is suitable or many industrial sewing machines,features an adjustable function to meet different needs,single sided design makes it easy to control and makes zipper sewing relaxed [Materials]:This sewing machine presser foot is made of quality steel material,wear resistant,durable and sturdy to use,equipped with a groove mouth that helps better secure the zipper,improving work efficiency [Keep Fabric Flat]:This Unilateral Zipper Feet T69 for Single Pin Lockstitch Industrial Sewing Machine can hold fabric flat as it is fed through the machine and stitched,With this invisible zipper foot,you can insert invisible zippers very easily in a snap [Replacement]:This concealed zipper presser foot sewing machine accessories parts is a fine presser foot replacement broken presser foot or to improve your sewing machine [Widely Used]:This invisible zipper presser foot universally fit for most industrial sewing machines and computer flat car to sew fabric including leather,laminated,leather,vinyl,etc