Product Description 209-843 Mitutoyo Dial Caliper Gage External Type: 0-10mm The Mitutoyo209-843External Dial Caliper Gage has the following specifications: Range: 0-10mm Graduation: 0.1mm Accuracy: +/- 0.1mm Max. Measuring Depth L: 36mm Length Hb: Measuring Contact Type: PK Size: 2, chisel RO .5mm Mass: 40g Features: Versatile OD measuring gages for groove thickness, tube thickness, and hard-to-reach dimensions.