This Bag Sewing Machine operates at 110V. It is designed with a pin rail distance ranging from 4-10mm, making it possible to stitch thick materials. Sturdy metal construction. Ideal as a reliable and efficient sealing machine, this is suitable for a range of industrial applications. Perfect for sewing feed or fertilizer bags. Comes with two extra 8 ounce cones of 12/4 Polyester white thread.