With zipper securely held by foot grooves; perfect topstitching will appear on your garment Can be used with a 1.6 mm twin needle for narrow pin tucks Parallel grooves on sole of foot holds concealed zipper in place at you sew Fits All Low Shank Snap-On Singer* (Some Singers Require Low Shank Adaptor), Brother, Babylock, Euro-Pro, Janome, Kenmore, White, Juki, New Home, Simplicity, Necchi and Elna Sewing Machines
