Features and Benefits:?Self-adjusting head design instantly grips or releases, providing fast ratcheting action?Extended lower jaw increases access and allows for quick pipe grip in confined spaces?Unique angled tooth configuration grips tighter?20% wider jaw for improved gripping power?Slim profile head design allows better access to tight areasCrescent is a premier hand tool brand from Apex Tool Group, one of the largest hand tool manufacturers in the world. The brand is often associated with its most famous product, the Crescent? brand adjustable wrench.