The Groz G-Clamp Ribbed 100mm is a heavy-duty clamping tool manufactured from high-grade ductile iron, ideal for metalworking, woodworking, and fabrication tasks. Features Acme-threaded spindle for smooth operation and maximum clamping pressure, with a swivelling pad that distributes pressure evenly across the workpiece. The textured powder-coated finish and black oxide spindle provide excellent corrosion resistance, making this clamp suitable for workshop and on-site use.