JK-243-5 Unison feed lockstitch sewing machine for extra heavy materials

Features: Adopts Synchronized feed, crossed presser foot lifting function to make thread trace smooth, do not shift in any certain range, so the products is neat and the track of the thread is artistic. With a connecting rod, the rotating speed of the principal axis is raised. Suitable for sewing the thick thread heavy materials products, such as shoes, sofa, container bags, safety belt, leather, cowboy wear, tents etc.