Klein Tools 12213 6-Inch Wire Twisting Pliers - Aviation Overall length: 9-Inch Clutched pull knob allows you to continuously twist wire without releasing your grip Right hand twisting pliers have brass twist rod bearings and aluminum pull knobs for heavy-duty use These tools meet or exceed the following standards: Aerospace standard AS567, Airframe and power plant mechanics general handbook (FAA) standard AC 65-9, Aircraft inspection and repair (FAA) standard AC 43.13-1A Klein offers a lifetime warranty on material defects and workmanship for the normal life of the product.