... ,sewing alibity:22mm 4,sewing speed:800r/min 1,YT180 leather sewing machine2,chain stitch:12mm3,sewing alibity:22mm4,sewing speed ... , compound feed walking foot sewing machine is ideal for sewing leather, canvas, synthetics and other thick material. With its powerful feeding ... mm knee control 22mmOperating space200*420mmTravel of needle pole YT180 leather sewing machine