- Professional Performance: This overlock sewing machine creates a durable 3-thread chain stitch ideal for light and thin fabrics. The stitch is firm and stable, effectively preventing fabric edges from fraying. The concealed chain stitch offers superior elasticity, making it perfect for sewing stretchable garments like underwear. - Customizable Settings: With an adjustable stitch length of 1.5-3 mm and an overlock width of 3-4 mm, you can easily tailor your stitching to meet specific edge sealing requirements. The adjustable stitch tension guarantees consistent thread tension and stability, helping to keep your fabric from expanding during sewing. - Durable Construction: Crafted using advanced cast iron technology and surface baking treatments, this machine is wear-resistant and less prone to rust. Its robust design includes a fixed presser foot and a needle lining with a nut to prevent stitch omissions, ensuring a smooth and aesthetically pleasing stitch track. - Versatile Applications: Ideal for overlocking multi-layer fabrics such as silk, linen, cotton, wool, and chemical fibers. It can also handle single-layer edges with 3 or 4-line seams efficiently. This machine simplifies the sewing process, making it quick and easy to achieve professional results. - Key Attributes: - Function: 3-thread overlock chain stitch - Compatibility: Suitable for various fabric types - Size Settings: Adjustable stitch length (1.5-3 mm) and overlock width (3-4 mm) - Material: Cast iron and wear-resistant surface - Performance: Stable and elastic stitching This overlock sewing machine is designed for those who value quality and efficiency in their sewing projects, ensuring reliable performance with every use.