These presser feet are compatible with all sewing machines with snap-on system. Compatible with Brother, compatible with Singer, compatible with Juki, compatible with Lidl sewing machines. These presser feet makes inserting invisible zippers very easy. The grooves on the bottom of the foot hold the zipper coils in place to avoid any slipping while sewing. These presser feet provides an invisible closure on skirts, dresses and all garments and can be used on other projects as well. Sewing machine presser foot allows you to create beautiful and professional invisible zippers with ease and precision. Package includes 2pcs presser feet for sewing machines. 1pc metal presser foot and 1pc plastic transparent presser foot.