• Overlock machine that can work with 3 and 4 threads Easy to adjust cutting width Differential thread ratio: 0.5-2.8 mm Stitch length: 1-5 mm Stitch width: 3.5 mm (Normal), 5.7 mm (Wide), 2.0 mm (Narrow) Cutting width temptation: 3.1 mm-5.0 mm Excellent overlock stitching on fabrics of all types and thickness Easy and quick thread insertion with thread insertion table marked with different colors Numbered thread pressures designed in different colors