Dial Comparator Stands with Square Anvil has a rugged heavy duty base made from close grained cast iron. These Dial Comparator Stands are equipped with a square anvil which is hardened to 55-60 HRC and ground for high accuracy. These Dial Comparator Stands are used in laboratories as an inspection tool and also as a comparative measurement device in mass production jobs. Dial Comparator Stands with Square Anvil are supplied without a dial gauge.