The Proto J718A Adjustable Wrench is the durable tool you need to get the job done. With a square jaw opening, it provides strength and a tight fit around nuts and bolts. Featuring an alloy steel construction, this adjustable wrench has corrosion resistance. The 2 3/8 in. jaw capacity means you can use this adjustable wrench on larger fasteners with ease. Its 18 in. length gives you more leverage when working with fasteners of varying sizes. It has a plain grip style that offers comfort and control when working with hard to reach areas. When it comes to getting work done, the Proto J718A Adjustable Wrench is the tool for the job.