The Milwaukee Torque Lock™ Locking C-Clamp with Swivel Pads, provide surface stabilisation and protects work surface from damage. The patent pending 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. The hardened jaws give more gripping power, and are made from forged alloy steel for maximum durability and offers outstanding protection against rust, increasing the tool life by reducing corrosion. Milwaukee locking tools are made for the toughest jobsite. Milwaukee stands behind their product and offers a Limited Lifetime Warranty with all locking tools. Capacity: 102mm (4in).Clamping Strength: 226.7kg (500lbs).