Sturdy, good quality machine feet for industrial sewing machines (not home sewing machines). These feet are ideal for professional-looking top-stitching along a garment's edge: the lower side sits on the sewing machine table, and the higher side allows room for the fabric to slide underneath it. The foot's size is it's top-stitching width: 1/16", 1/8", 1/4", 3/8" and 1/2" wide. Made in Taiwan.