Wright Tools heavy-duty rigid straight pipe wrenches are manufactured in the USA and meet or exceed ASME industry standards. These pipe wrenches are incredibly durable and easy to use. The aluminum heavy-duty pipe wrench provides professional-grade strength in lightweight aluminum. The red heavy-duty pipe wrench complies with federal specifications GGG-W65I#, Type II, Class A. Both pipe wrenches feature sturdy ductile-iron housing and are available in several diameter sizes and lengths.