Product Description 209-603 Mitutoyo Dial Caliper Gage - External Type: 0-10mm The Mitutoyo209-603External Dial Caliper Gage has the following specifications: Range: 0-10mm Graduation: 0.1mm Accuracy: +/- 0.1mm Max. Measuring Depth L: 33mm Length Hb: -- Measuring Contact Type: PR Size: 2mm Mass: 40g lbs 0.09lbs Features: Versatile OD measuring gages for groove thickness, tube thickness, and hard-to-reach dimensions.