The Groz G-Clamp Ribbed 150mm is a heavy-duty clamping tool manufactured from high-grade ductile iron, ideal for metalworking, woodworking, and general fabrication tasks. Features an Acme-threaded spindle for smooth operation and maximum clamping pressure, with a swivelling pad that applies even pressure at the correct angle. The textured powder-coated frame and black oxide spindle provide excellent corrosion resistance, making it suitable for both workshop and site use.