Specification: IS, DIN, ANSI & JIS, The one revolution dial gauge eliminates reading errors due to multiple revolutions, Shock proof mechanism to absorb shock due to sudden spindle impact, Every gauge carries a calibration certificate giving actual values, Hardened stem for trouble free clamping, Spindle made of stainless steel, Fitted with tungsten carbide ball anvil, Rigid brass case for increased rigidity, Strong and smooth metal bezel, Aesthetically appealing protective top cap in black color.