... leather sewing machine 2,chain stitch:12mm 3,sewing alibity:22mm 4,sewing speed:800r/min 1,YT180 leather sewing machine2,chain stitch:12mm3,sewing alibity:22mm4,sewing ... speed:800r/minYT180 is single needle, compound feed walking foot sewing machine is ideal for sewing leather ... of needle pole YT180 leather sewing machine