Provides faster set-up and easy release when clamping round material. For a stronger and more secure grip, extra force can be applied to the TORQUE LOCK screw, which can also be used for hanging/storage purposes. The curved hardened jaws provide a better grip force on job site materials. Chrome plated finish increases tool life by reducing corrosion for rust protection. Traditional release lever design for job site convenience. About Milwaukee: Since 1924, Milwaukee has been an industry leader in power tool innovation. At Milwaukee, Heavy Duty is more than just a slogan, it is a promise to offer the absolute best to professional users. Milwaukee engineers don't just design tools, they design tools to get the job done better, faster, reliably and safely. Milwaukee - Nothing but HEAVY DUTY!