BIGFOOT thread is sourced from UK world renowned company COATS. This is good quality thread unlike others sold in ebay. A tough abrasion resistant thread with good tensile strength. Not affected by rot or mildew. With a specially formulated lubricant for high temperature resistance and smooth operation through the needle eye without breaks, skips or staining. This is a strong thread that can be taken by almost any domestic machine with a metal bobbin case and by most domestic drop in machines (the lower the number, the thicker the thread. It can also be used to sew by hand or with an industrial machine.