HONEYSEW 171480 Snap On Narrow Zipper Foot for SINGER Slant Needle Shank Sewing machine High Quality Zipper Foot that fits Singer Slant Sewing Machines SINGER SNAP ON ZIPPER FOOT. PART NUMBER 171480 FOR ALL SINGER SLANT NEEDLE BAR MODEL: 9124, 9117, 9015 AND MORE fits most of domestic slant/low shank sewing machine the ping is 2MM of presser foot