4 Thread Overlock Sewing Machine Professional Serger Overlock Machine, 1200SPM Serger Sewing Machine with Adjustable Stitch, LED Light & Foot Controller for Cotton Silk Denim

【4 Thread Overlock Sewing Machine】Up to 100W power provides strong power, making its maximum sewing speed up to 1200 stitches/minute, which greatly improves the sewing speed of the edge and effectively enhances the working efficiency.
【Adjustable Needle Pitch】This product allows you to adjust the needle pitch between 0.1-0.13 inches. By adjusting the stitch width, you can create a flat serged seam.
【Four-line Design】The width of the four-line design locking edge is up to 0.18-0.22in, compared with the three-line locking edge, it locks the edge better, is more compact and solid, and is not easy to take off the line.
【Adjustable Design】Each bobbin holder on the body corresponds to a thread, and you can rotate counterclockwise to loosen the stitch tension and clockwise to tighten the stitch tension to meet the sewing edge needs of different fabrics.
【Simple Operation】The product is controlled by a foot switch, you can freely control the sewing process, which is not only convenient for you to operate but also improves the safety of use.