The SINGER Elite SE017 Overlock Machine lets you sew, finish, and trim seams and raw edges ? with high-precision and speed each and every time. It?s the perfect complement to your sewing machine. Industrys first lower looper LED which increases visibility for easier threading 2, 3 and 4 Stitch thread capability - The 6 different stitch types ensure the perfect stitch no matter what project 1,300 stitches per minute provides professional speed for faster results The handy free arm is accessed by removing the accessory compartment and allows you to overlock cuffs, pant hems and other circular seams with ease