Mo-Clamp® is the originator of the self- tightening clamp using the patented wedge pulling ring. The jaw surface designed to not let go when attaching to these new super slick ultra high Strength Steels. The new car manufacturers are constantly moving forward to gain weight advantage and horsepower efficiency with new formulas of high strength metals and polymers. It is our challenge to help the technicians by proper evaluation of these products and development of tools to help in the repairs of these vehicles.