Product Name: 668u Double-Thread Lockstitch Sole Sewing Machine Shoe-Border Stitching Machine Model NO.: DB-668U Function: Making Vamp Applicable Material: Fabric, Rubber, Genuine Leather, Artificial Leather Power Supply: Electric Certification: GS, ISO9001 Condition: New Weight: 140kgs Voltage: 220V/380V Trademark: DB Specification: 1200x600x1350mm Origin: China Product Description 668U stitching machine for industry shoe side seam sewing machine1. Uniform distance between stitches and avoid deformation of the toe cap.2. 1 years warranty on transmission gear3. With hand-protective device and eye-protective screen.4.Servo motor, automatic needle positioning and lifting presser foot.5. Patented Separable-type Transmission Pulley that will run 5 idle turns and cut off power automatically when encountering any obstacle in operation.6. Lining won't be pulled outside.7. User friendly. Easy operation.8. No noise, keep the shoes clean after stitching