The concentricity gage RPG AL is especially designed for the measurement of single parts. The articulated arm with head piece for the dial test indicator or the depth measurement gauge serves as an universal holder for gauging instruments. One swivelling gauge holder with guide column for serial testing is optionally obtainable. The pressing force is adjustable. Version: - Robust design with preloaded precision bearings - Simple handling, quick measurement - For individual testings with articulated arm - Material: steel, attachments made of aluminium - Surfaces burnished, black anodized - Hardened, precision grinded rollers