Now you can make perfectly formed own tension tools! The Peterson Bending Tool is made of thick slabs of stainless steel, cut to perfection to provide you with the tough hard working tool you deserve. Did you notice that we put a hole in the end of the tool so that you can put it on your key chain? Locksmiths have a reputation for taking an existing tension wrench and adjusting it to meet their personal specifications. With our "U-Bend-it" kit series, the locksmith can make a special personalized tension wrench in minutes, to perfection, every time.