WHERE TO BUY LEAFLET Thread trimmer and thread catcher The upper thread trimmer and thread catcher work at the same time. High speed The speed of the W4S is 5,500 rpm, compared to the 3,700 rpm of a normal machine with cover, the efficiency increases more than 50%. Computerized with Voice Guide Using the machine it will teach you the various functions itself, if there are errors it will notify you and by clicking the VOICE button it will suggest how to solve the problem, furthermore with a single key you can return to the initial settings. Wide Adaptability Ability to sew on heavy, medium, light and mesh fabrics. Up to 8 layers of fabric thickness, without any adjustment, maintaining the beauty of the stitch. Standard (01) Collarect (02) Top stitching (03) Hem (08) Specs