Mitutoyo 0-18" Digital Height Gage Technical Data... 0-18" / 450mm Measuring Range 0.0005 or 0.0002" / 0.01mm or 0.005mm Switchable Resolution Features include... Highly versatile multi-function type. Carbide-tipped long scriber is provided. Rigid construction ensures repeatable measurement. Coarse / fine feed switching. SPC Output Works with Optional Touch Probe Bi-directional touch-signal prove is an optional accessory. It can quickly and accurately measure steps, inside width, and outside width. Shown with optional Touch Probe # 192-008