Brother 3/4 Thread Serger – Finish edges & hems quickly & easily with 3 or 4 thread cut and sew serger stitches. Threading is straight forward with color coded lay-in threading plus the simple to use F.A.S.T. lower looper threading system. The differential feed improves the stitch quality on all kinds of fabrics, the snap-out stitch finger is easy to remove for instant rolled hem, and the retractable knife keeps you from cutting fabric accidentally. Dial adjustment allows for a 3mm to 7 mm stitch width, plus lever adjustment for stitch length, and an electronic speed control. Uses standard sewing machine needles. Includes snap-on multi-purpose blind hem foot & gathering foot, trim trap, an accessory kit and 4 starter spools of thread. Includes instructional and technique CD’s for easy reference.