5/4/3/2 Thread overlock. Automatic tensions and program display panel. Tilt needle clamp. 17 built-in stitches including 3 cover hem stitches. Instant rolled hem device and built-in 2 thread converter. Differential feed (0.5 – 2), stitch length (0.5 – 5) and adjustable cutting width (7mm overlock). Lower looper and chain looper disengage.