Product Description Long Boot Sewing Machine is big size Boot Sewing Machine with longer ox horn , especially for military shoes and safety shoes boots sewing , and also for long boot casual shoes outsole and upper stitching together , we have 668 small size series and 669 big size series option for you to choose according to you shoe size . 1.With the patent of invention Special Sewing Machine, Applicable for bag sewing processing. 2. It's ox horn gear drive Border Sewing Machine, with right and left shuttle option, straight arm type turning. 3.Most of Case Sewing Machine parts were made by our factory, quality is controlling by ourselves. 1.With patent of invention, Applicable for sports shoes, casual shoes side seam locking type sideline processing 2.With ox-horn gear drive, and middle shuttle 3. All parts were made by CNC machine, all parts is of great quality. 4.Use electron motor to control the speed, it is easy to change the speed, and break controlled by computer. 5. This machine thread hook use gear to drive, durable and waterproof, 6. This machine's thread hook, gear cover, ring and so on are imported from ZUOWEN in Jason.