The FY-9300D Is made for sewing light to heavy-weight materials including cottons, knits, polyester, nylon, sheer fabrics and denim Suitable for stitching such products as blouses, shirts, men’s, ladies and children’s apparel, uniforms, overalls, lingerie, etc. Heavyweight fabrics such as jeans can be sewn by changing the needle plate, feed dog, foot, stitch regulator, hook and needle bar. Programable sequences allows for you to have full control of your machine with an Auto-Thread trimmer as well as Auto-Foot Lifter to operate all at once or individually.