The Milwaukee 6-inch TORQUE LOCK Locking C-Clamp Regular Jaws provides you with faster tool setup and more locking force. The locking clamp's thumb screw provides you with a more convenient geometry for hand force while providing clearance to generate more torque with the unique screwdriver through-hole design. The c-clamp's hardened jaws give you increased gripping power and they are made of forged alloy steel for maximum durability, perfect for the toughest of job sites.