MILWAUKEE® TORQUE LOCK™ locking tools provides you with faster set up and easy release when clamping round material. The TORQUE LOCK™ thumb screw provides the user with a more convenient geometry for hand force, while providing clearance to generate more torque with the unique screwdriver through-hole design, it can also be used for hanging / storage purposes. The TORQUE LOCK™ Chain Wrench's holds and locks around any shape object up to 79mm, it adjusts quickly for ratchet action in either direction. It also features rust protection for increased tool life, an ergonomic handles with an anti-pinch design and the lever release design is a traditional release lever for jobsite convenience.