This Smooth Narrow Foot Set for Sailrite^® Fabricator^® Sewing Machine is perfect for anyone who wants the best grip possible with the narrowest presser feet available. This presser foot set is narrow on both sides, allowing you to get extremely close to zippers. It's also great for sewing large thickness transitions. There are no tracks on the bottom of the feet so you won't damage or mar leather and other delicate materials. Set includes both presser feet.