Dial 3D Edge Finder, Resolution 0.0005 in, Accuracy 0.01 mm/0.0004 in, IP Rating IP67, SPC Output No, Dial Reading 0-100, Dimension Type Inch, Minimum Measurement - Inch 0 in, Minimum Measurement - mm 0 mm, Number of Probes 2, Operation Type Dial, Shank Type Straight Shank, Construction Aluminum, Data Output Type Wireless, Disc Diameter 0.2 in, Display Type Analog Dial, Features Analog, Waterproof, Includes Metric Version: Zero Master With Clamping Shank 10 mm dia., Overall Length 120.8 mm