This Chanellock 24″ Adjustable Wrench has a 4-thread knurl that makes it easy to adjust the jaws. It is made of alloy steel and has a chrome finish. With an ergonomic handle, this adjustable wrench provides excellent grip. The 2 7/16 in jaw capacity means you can use this wrench on many different types of fasteners. This tool has a plain jaw style, which allows for quick adjustment with just one hand. Made of alloy steel, the head thickness is 1 5/16 in., while the overall length is 24 in.. The Chanellock 824 Adjustable Wrench will get your job done quickly and efficiently.