Product Description Shoe Border Sewing Machine 668L is a very traditional Border Sewing Machine, it's adopted gear driving hook system, with higher cost than chain driving system, but working condition is more stable and durable; we made this special Thick Thread Sewing Machine more than 25 years already with pretty machine making, and machine repairing, and machine practicing experience together, that's why we can promise to supply the best quality Shoe Border Sewing Machine series to all customers. 1, It is suitable for side seam stitching and outsole edge lock stitching of big size sports shoes, and casual shoes. 2.With biggest bobbin case for more bottom thread to use for longer time ; 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 chain to drive, durable and waterproof, 6. This machine's thread hook, chain, ring and so on are imported from ZUOWEN in Jason.