Similar to the “I” foot that is included in many of our machines This foot offers more complete adjustability. The foot is adjustable to the distance that the zipper is from the needle , not just the needle position Because of it’s adjustability it is also often used in many home decoration projects such as sewing piping and other trims with a seam allowance tape making this foot a must for serious sewers. Screw on foot –  Adjustable zipper foot for left or right seams Adjustable guide to accommodate varying piping dimensions Single stitch opening for accurate and perfect straight stitch creation Fits most domestic sewing machines, Including Singer, brother, Janome, Empisal