The Mitutoyo 505 series dial caliper uses a combination of a vernier scale and a dial whose pointer travels one rotation for each 2mm measured to perform precise outside dimension (OD), inside dimension (ID), depth, and step measurements. Features: New designed dial movement for ultra-smooth sliding and high shock protection. Titanium Nitride (TiN) coating is applied to the sliding surface to increase wear resistance (except for 0-300mm and 0-12″ model). Can measure OD, ID, depth, and steps. Lock screw for dial bezel and for holding the sliding jaw position. Models available with carbide-tipped OD and ID jaws. Supplied in fitted plastic case. Model Number Range Accuracy 505-673 0-300mm /-0.04mm
