Model KX8500-5-6D is provided with automatic thread trimmer, automatic needle position, automatic stitch amount setter, automatic thread wipe and many other sewing modes. It is available to sew shirts, uniforms and sportswear, and also available to sew protfolios, purses, shoes, jeans and other medium-heavy materiats, especially suitable for sewing trade marks, pockets, sleeve-cuffs etc. It can be operated with high quality and high efficiency.