4-thread and 3 needle coverstitch machine for professional hems. Can do a total of 3 different coverstitches with a width of 2.8 and 5.6 mm and a chain stitch. Provides professional stiches for hems, edges and cuffs, even with very stretchy fabrics and thin knitted fabrics. Comes with separate needle threader and looper threading mechanism, as well as bright LED light.