The lift of presser foot is upto 20mm, suitable for stitching the extra heavy-weight materials. The sewing area is upto 404 mm, suitable for stitching the huge articles. Powerful unison feed, the machine can sew accurately and easily several sheets of heavy-weight materials piled together. Applied the semi-rotary large shuttle 8, bobbin, could reduce the frequency of changing he bobbing thread, and increase the sewing efficiency. Suitable for stitching all the extra heavy-weight materials, such as safe, belts. tents, seating, shoes, bags,golf bags, etc.