Singer 221 featherweight presser foot. Ruffler #120598". From and for Singer Featherweight machine and will fit all Singer low shank models. Fits in place of standard presser foot with the operating lever engaging the needle clamp screw. Adjustable for 1, 6 or 12 stitch ruffling. Has an adjusting screw which regulates the fullness of the gather and an adjusting finger which sets the size of the plaits. For gathering the adjusting finger should be moved forwards towards the needle so that it is not in operation. Price includes shipping to lower 48. Return for refund if fails on your machine.