Product Description LX-169TL machine with longer straight arm than our model number of LX-169T, it's special for longer military boots in upper and rubber sole inseam stitching together , and we also call Double Needle Sewing Machine For Sale, with single needle or double needles option for you to choose ,that will make the shoe upper with various thread line effect. 1, It is suitable for side seam stitching and outsole edge lock stitching of middle size sports shoes, and casual shoes. 2, With a single needle, ox-horn arm. 3. All parts were made by CNC machine, all parts are 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.