The best tool for an array of uses. Wide I-beam handle design allows for a strong and sturdy grip. Wide-capacity jaw accepts a wide range of fastener sizes. Speciallydesigned profile allows this tool to be used in confined spaces. Built-in tension spring stabilizes movable jaw and reduces rattling. Knurl adjusting mechanism for quick and precise adjustment. Laser-etched fractional and metric jaw scale for easy adjustment. Heavy-duty forged-vanadium is strong and durable, and polished chrome finish offers an anti-corrosion protection. Meets or exceeds ANSI specifications.