The unique design of this Wilton® 4400 Series Drop Forged Square Throat C-Clamp provides greater capacity and exceptional versatility. A drop-forged steel frame with V-grooved anvil allows for the secure holding of all materials including round, square and flat pieces. Features replaceable Perma-Pads® and spindles. Available in 4in., 6in. or 8in. jaw width with adjustable opening. Limited lifetime warranty.