Material of piping pressure foot:steel Piping Presser Foot With 2 Grooved Holes,Make sure that the biggest thread/rope diameter under the grooved hole is within 5mm Fits All Low Shank Snap-On Singer* (Some Singers Require Low Shank Adapter), Babylock, Euro-Pro, Kenmore, White, Juki, New Home, Simplicity, Necchi and Elna Sewing Machines This Piping Foot uses a two groove underside to hold and cover cord for crafters looking to make their own piping cord.This Piping Foot can also be used to attach piping Stitch width is suggested to be 0 with length at 1-3. Be sure to use the straight stitch in the CENTER position, otherwise, needle will be broken. This Piping Foot uses a two groove underside to hold and cover cord for crafters looking to make their own piping cord.This Piping Foot can also be used to attach piping