Solid cast iron base; rectangular comparator stand. Comparator stand surface hardened and precision ground with machined dust grooves. Rigid, hardened, and hard chrome-plated centre column with thread and lock nut. Hardened and hard chrome-plated, horizontally adjustable cross arm for dial indicators or precision indicators. Interchangeable dial /digital indicator holder ⌀ 8 mm (10 h7 on request).
Flatness ≤ 16 µm.