Drop-forged and heat treated components. Can be used for both vertical and horizontal-to-vertical through 180°. Exclusive feature is a patented wear indicator system. When convex teeth are flattened between unique wear indicator grooves. It is time to change the cam. Note: The pad and cam should be replaced at the same time. Clamps 100% proof tested, a certificate of test supplied with each clamp. Fewer stress points and less chance of side loading damage.