zipper presser foot:This foot makes inserting zippers very easy,The grooves on the bottom of the foot hold the zipper coils in place to avoid any slipping while sewing. This zipper pressure foot provides an closure on skirts, dresses and all garments and can be used on other projects as well. Narrow clip-on zip zipper presser foot:Only to snap the zipper presser foot onto the bracket on the machine, so you can use and change any foot without using a screwdriver. This combination is a zipper foot low shank adapter. This foot guides the zipper accurately and precisely. Colour:silver Material:Galvanized iron Package Contents: 20 x zipper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.