Product Description If you want to Buy Heavy Duty Sewing Machine, let me suggest you our Multifunction Standing Mackay Stitcher LX-332A, this machine with special design, it's special for stitching heavy thick outsole up to 50 mm thickness, we are the unique manufacturer for making this function machine in the world. 1. This Special Sewing Machine is suitable for thick material boots outsole and upper stitching together, thickness up to 50 mm. 2. Our Shoe Border Sewing Machine most of the parts were made by most advanced CNC machine, all parts with great quality. 3. This Sole Stitching Machine uses the electronic motor to control the speed, very easy to change the speed, and brake controlled by computer. 4. This Standing Mackay Stitcher thread hook use gear driving construction, it's durable and wearproof. 5. This Heavy Duty Sewing Machine thread hook, bobbin case, ring and so on are imported from ZUOWEN in Japan.