The Klein 68421 is an open-end and box combination wrench. This combination wrench is designed for tightening or loosening bolts, especially in confined working areas. It is made of the highest quality alloy-steel for strength and better hardenability. It is also nickel-chrome plated for added durability and is corrosion-resistant. Each end has the same size opening of 15/16" and has an overall length of 12.5". Klein Tools is the world leader in the design and production of quality products. In cooperation with Klein Tools, we at PlumbersStock carry high-quality and reliable products for a very affordable price. Grab yours now here at PlumbersStock.