RS Components, Ltd. 3159098

The Mahr MarTest lever indicators offer excellent quality with precise mechanisms and water resistant sealing. Computer aided design has led to excellent accuracy. An O-Ring helps to make the face water resisitant allowing you t o use it in typical workshop environments. Good for measuring roundness of a shaft, internal roundness of a sleeve, centering of a bore, alignment of flat features and parallelism. All indicators have 6mm dovetails on 3 faces and are supplied with 8mm or 4mm lug accessory (depending on version ordered). Features and Benefits. Metric and imperial options. Face size options. Rotating face for zero adjustment. Highly refined and precise mechanism. Easy to read face. Shockproof. Anti-magnetic. Movement bearings are jewelled with 8 precious stones. Double lever supported in ball bearings, overload protection provided by slip clutch. Satin-chrome finished Housing. Contact point with Tungsten Carbide ball Maximum Measurement = +0.4mm Resolution = 0.01 mm Dial Diameter = 27.5mm Imperial or Metric = Metric Accuracy = ±13 î¼m Stem Size = 2mm