Dial Depth Gauge Range 0 in to 22 in Accuracy +/-0.001 in Long Form Calibration Certificate No Actuation Style Plunger Base Length 4 in Base Style Full Coolant Resistant No Dial Position Top Dimension Type Inch Number of Measuring Rods 6 Operation Type Mechanical Range per Revolution 0.1 in Blade Material Steel Blade Width 0.177 in Case Included Yes Contact Point Material Carbide Contact Point Shape Ball Depth Gauge Type Interchangeable-Rod Depth Gauge Dial Color White