The Simon Hope thickness callipers allow the user to measure accurate wall thickness. Made from 3mm stainless steel, this tool is made from 3mm Stainless Steel. This tool boasts a CNC router cut measuring scale. This will not wear out or rub off with use. Simon Hope thickness callipers are available in two sizes 10″ (250mm) and 16″ (400mm). The sizes relate to the max depths they will measure too.
