Dial Depth Gauge Range 0 in to 8 in Graduations 0.001 in Accuracy +/-0.002 in Base Length 2.5 in Base Style Full Dial Position Top Dimension Type Inch Included Certification No Number of Measuring Rods 4 Operation Type Mechanical Blade Material Stainless Steel Blade Width 104 mm Contact Point Material Carbide Contact Point Shape Ball Depth Gauge Type Interchangeable-Rod Depth Gauge Dial Color White Dial Reading 0-100 Maximum Measurement - Inch 8 in