The M343D overlocker sews seams, trims excess fabric and overlocks raw edges, all in one easy step. It features 3 or 4 thread sew-and-cut over lock stitches, an easy to-follow thread guide, and a F.A.S.T. lower looper threading system. It also features a free-arm/flat bed convertible sewing surface for easy control when overlocking cuffs and sleeves, saving time and producing professional results.