Vise jaws are made of 45# steel with diamond-shape grooves which provide more clamping force in order to keep workpiece more stable during machining. 8" 200mm ， 6" 150mm ，5" 125mm，4" 100mm Vice. The vise can be bolted onto the top surface of a workbench, with the face of the fixed jaws just forward of its front edge.
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