An-Lock Drive® (Superb Torque)is built to do one thing: help you get that job done right. has only one thing on its mind: helping you get the job done with ease, safety, and quality. With its many smart features such as reversing levers, stronger grips, and deep-reaching heads, it can get to those difficult places or those hard-to-reach nuts or bolts with incredible precision. Made from Chrome Vanadium-CrV 6140 alloy steel, it is one of the strongest bits in the industry.