... adopts the structure of upper and lower feed, the Hook, sewing thick materials, purses, bags, sports shoes, such as function and ... tubular products, the largest sewing speed 1500 r / min, before the needle Range 0-8mm ... from 2.5mm . Pressure foot high 9-13 mm , motor power 370W . For sewing medium to thick fabrics , bags , cases, shoes , sports ...