The CRESCENT aluminum pipe wrenches are perfect for numerous plumbing and MRO applications. These wrenches utilize our patent pending SLIM JAW design, cutting the width of the jaws in half, producing 2x access. They exceed the federal torque load spec. by over 140% . In addition, they feature a 2-start adjustment thread pitch for twice as quick pipe wrench adjustment. The Crescent Aluminum pipe wrenches have been strategically designed to cut weight, hitting the scales at over 40% lighter than their cast iron brethren.