Specifications: Product Name: Sewing Machine Parts Material: plastic, metal Uses: overlocking Application: General purpose for household multifunctional sewing machines. Old-fashioned, miniature and industrial sewing machines are not available Weight: 80g NOTE: General purpose for household multi-functional sewing machines. Old-fashioned, miniature and industrial sewing machines are not available. Type: Side Foot Trimmer. Main material: metal, plastic. Color: silver and white. The side cutting foot gives clothes a professional finish. The side knife attachment cuts the fabric while you sew a seam. Sew Seams and Finish Seams Simultaneously Easily sew an overcast stitch to lock the thread around the edge of the fabric, perfectly aligned with the edge. You can cut along the line on the fabric, when sewing, simply attach it to the machine replacing it with the presser foot.