- induction hardened & precision machined cutting edges - precision machined serrated jaws for optimum power and durability - apply to clockwise and counterclockwise direction for wire twisting application - automatic return action provides quick and easy wire twisting job while reduces fatigue - self-lock design ensures serrated jaw firmly grip wire while twisting - primarily used in the aviation and all forms of racing industries for wire locking nuts in safety critical application - maximum wire capacity: twist 1.0mm dia cut 1.0mm (stainless steel)