We are manufacturing and supplier of the Intermediate Carrier Chain. These are manufactured with graded stainless steel, mild steel, and cast iron that provides high tensile strength and efficiency. Sprockets are of various designs, a maximum of efficiency being claimed for each by its originator. Sprockets typically do not have a flange. Some sprockets used with timing belts have flanges to keep the timing belt centered. Clients can avail this Duplex Sprocket is available at an affordable price.