GZ39110 | Groz Sash Bar Clamp 24in (600mm) / 450mm Capacity These Bar Cramps are especially useful for clamping large section workpieces during fabrication gluing in joinery carpentry and boat building. Features: The bars are made from drawn steel with a section of 1.1/4 x 1/4 (32 mm x 6 mm). Malleable iron head and slides provide rigidity and strength even under heavy tension. Both head and slide have a flat bottom allowing the bar to stand upright without support. The head is fitted square to the bar with 1.1/2° – 2° taper for true parallel clamping action Main screw and handle are made from high-grade steel and have a blackened finish for increased resistance to corrosion. The screw has rolled Acme threads that impart extra strength and are wear resistant Specifications: Throat Depth: 50mm Width of Clamp Face: 30mm Bar Length: 600mm Capacity: 450mm