... . the edge is more average, stable. suit for thin glove. JL-788-3 high speed overlocker:1, torque: longer than 0 ... , Thread quantity: 55, Stitch width: 0-5mm6, Stitch length: 0.6-5.3mm7, Thread: 38, The height of presser foot: 6mm9 ... , The diffriential ratio: 0.7-210, Sewing speed: 4000-4500spm JL-788-3 overlocker