This overlock machine is a 3-thread model with 3-needle capacity, featuring adjustable stitch length and a speed of 3000 stitches per minute, ideal for fine hemming, sewing, and mending tasks. Specifications include: product name - sewing machine/overlock machine, sewing speed - 3000 stitches per minute, track length - 1.5-3.2mm, hem width - 3.0-4.0mm, stitching thread specification - 40/2 polyester thread, seam thickness - 4mm in state, size - 255*210*270mm, needle used - 14#, product weight - 13.5kg, motor power - 180w/250w, presser foot stroke - 4 mm. The package includes 1 overlock machine and 1 speed regulator. For any inquiries, please contact the manufacturer.