The Total JACK® comes in both 6” and 8” sizes to accommodate the industry needs. Available in Brown, Black, Galvanized and Weatherwood, matching shingles is no longer a problem. Its modern adjustable design was manufactured with the roofer in mind. Total JACK® is manufactured in San Antonio, Texas at DOT Metals Products®. DOT Metals Products®. produces over 3,000 galvanized, steel and aluminum building components, specializing in metal roofing, ventilation products, trims, flashing, steel framing, rain carrying products, corner bead and drywall accessories.