Cast iron screw clamp, wooden handle, max. width 300 mm. Supplied = assembled. Model = double T-profile rail with rear dovetailing. Tensioning force = 6700 N. Max. jaw width = 300 mm. Max. jaw depth = 140 mm. Handle = wooden handle. Material = steel, zinc plated. Product type = screw clamps. Double T-profile rail with rear dovetailing. With moving clamping plate. High stability, extremely robust thread. With wooden handle, steel profile rail. Forged fixed and moving heads. Zinc plated. Ideal for steel and vehicle construction.