1Accurate and convenient measurement of narrow or concave objects. 20-0.8mm measuring range, 0.01mm graduations, 0-40-0 balanced inch. 3The measuring probe can be 180rotation, free to adjust the measurement direction. 4Dovetail mount for mounting the indicator from the top, rear, or front. 5Rotate the knurled bezel 360 degrees to make the reading zero at any position. Features:Accurate and convenient measurement of narrow or concave objects.0-0.8mm measuring range, 0.01mm graduations, 0-40-0 balanced inch.The measuring probe can be 180rotation, free to adjust the measurement direction.Dovetail mount for mounting the indicator from the top, rear, or front.Rotate the knurled bezel 360 degrees to make the reading zero at any position.Widely used in mechanical oscillationmeasurement, workpiece measurement and plane correction.Specification: Probe Contact Material: Ruby, Tungsten Steel (Optional) Measuring Range: 0-0.8mm Graduations: 0.01mm MountingType: Dovetail DovetailClamp: 3/8"and5/32" Package Weight: Approx. 110g/3.9oz Package list:1 x Dial Test Indicator 2 x Measuring Probes 2 xDovetail Clamp 1 x Molded Case Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.