1. Large rotary hook, automatic lubrication system .
2. Strong capability to sew thicker material and better performance of layers sewing.
3. Equipped with linkage reverse sewing mechanism, minor difference in reverse stitches length.
4. Suitable for sewing medium and heavy materials such as leather, artificial leather, canvas, cushion, sofa and bag.
5. The unique wide sewing head space, more conducive to the sewing of large objects, with a wider scope of application and more convenient operation.
