The double torsion springs are usually used to apply torque in a rotating manner on a self closing door or lid, for hinges, counterbalances and lever return applications. The double torsion springs get their name from the winding coil of wire that makes up the spring. The double torsion springs have a wire diameter from 008” to and are available in various configurations and sizes in open or close wound, symmetrical or asymmetrical designs. Imperial manufactures the double torsion, torsion, compression, extension, close wound and magazine springs; wire and flat strip forms; straightened and cut wire and pins, rings and retainers at our main site in Milldale, Connecticut, and a satellite facility in Southbridge, Massachusetts. Our skilled employees serve customers worldwide and our company is known internationally within the double torsion springs industry. Our mission is to provide our customers with cost-effective solutions, total quality and commitment and deliver precision engineering, professional staff and hand on service that maintain our industry leadership. For more information on double torsion springs, visit our web site at www.imperialspring.com or call 860.628.9611.