TABLE VICE USAGE: Pipe Clamp SPAN(MM):50mm WEIGHT(G):780g MATERIAL: Al-alloy,steel Table Vice 78mm Joint width, 50mm jaw opening Jaw made of tool steel heat treated ,Body made of cast iron by sand casting or aluminum die casting,thread bar made of mild carbon steel "U" flute cold rolled or machined.Surface: Plain painted,Wrinkle Painted,And Powder Coated Table Vice