WRENCH

Proto Tools is an American industrial hand tool company. Founded as Plomb, it is presently a division of Stanley Black & Decker. The company is credited with creating the first combination wrench in 1933. Satin finish Angle and through-hole design helps accommodate threaded rods or a bar for extra leverage, without affecting wrench strength Deep recess at one end and open-end socket at the other fit over protruding studs Deep recess at one end and open-end socket at the other fit over protruding studs.