The Brother 1034D heavy-duty serger features a 3/4 lay-in thread system with lower looper threader. Stitch options include 4 thread overlock, 3 thread overlock, narrow hem, rolled hem, and ribbon lock stitches. The machine has a free arm/flat bed convertible sewing surface and offers a lower looper threading system for easy thread changes. The differential feed improves sewing results on stretch or thin fabrics to give you a perfect finish. Snap-on presser feet allow quick and easy changes to transition to each desired stitch.