Detailed Product Description shoe making sewing machine GR1-8 is suitable for blanketing sole, cloth sole, the thickness is less than 8mm. Speed of sewing 400 s/minLength of needling distance0-12mmPower of electric motor 550W threadCured line ,chemical fiberHead external demision433*523*268mmModel of needle 45*280,45*300Net weight of head section40KgThe most thick 8mm