This Wilton® Spark-Duty F-Clamp has a copper-plated spindle that protects against harmful welding spatter. The ergonomic Wilton-Grip® has anti-fatigue properties that provide comfort during repetitive clamping. Features a drop forged arm that provides minimal flex under heavy workloads. Has quick and simple-to-replace quick-twist pads with V-groove. Choose from light-duty models in 8in., 12in. or 24in. jaw width, or regular-duty models in 8in., 12in., 16in., 20in., 24in., 36in. or 60in. jaw width. Limited lifetime warranty.