-Free arm/Flat bed convertible sewing surface -3 or 4 thread, cut and sewoverlock stitches -Easy to follow lay-in threading -F.A.S.T. lowerlooper threading system -Differential feed improves results when sewingstretch, knitted or thin fabrics -Instant rolled hem Main Features 3 - 4 thread Easy to use lay-in threading Free arm/flat bedconvertible sewing surface Differential Feed Tension release for easythreading Retractable knife blade