Extra capacity allows use of a smaller size wrench to handle bigger jobs, especially in confined spaces. Forged heat-treated alloy steel for maximum strength and light weight. High polish chrome finish. Precision-machined jaws are individually chosen and assembled by hand for smooth operation. Heat-treated for long life.PRODUCT FEATURES:- Extra capacity allows use of a smaller size wrench to handle bigger jobs, especially in confined spaces- Forged heat-treated alloy steel for maximum strength and light weight- High polish chrome finish- Precision-machined jaws are individually chosen and assembled by hand for smooth operation- Heat-treated for long life- Knurl turns smoothly for easy operation- Rail is ground for precision fit- Contoured handles for comfortable use- Chrome-plated for rust resistance