Wilton 11114 Spark-Duty 400CS Hi-Vis C-Clamp Kit Drop forged, regular duty with extra deep throat Copper Plated spindle and perma-pad for resistance to welding spatter and corrosion, and are replaceable, and are replaceable Exceptional value high-visibility welding clamps V grooved anvil allows secure holding of all materials including rounds, squares and flats Lifetime warranty