Straight pipe wrenches have a traditional design with a wrench head opening that is parallel to the handle. - They are used to turn threaded pipe and pipe fittings for installation or removal. Handle Material / Aluminum Jaw Capacity / 2 in Jaw Texture / Serrated Overall Length / 12 in Handle Type / I-Beam Tether Style / Tether Capable Jaw Material / Steel Standards / Federal Specification GGG-N65IE, Type II, Class A