Dial Thickness Gauge, Range 0 in to 0.1 in, Graduations 0.0001 in, Accuracy +/-0.0001 in, Long Form Calibration Certificate No, Actuation Type Trigger, Anvil Shape Round, Contact Material Steel, Dimension Type Inch, Maximum Measurement - Inch 0.1 in, Maximum Measurement - mm 25 mm, Minimum Measurement - mm 0 mm, Operation Type Mechanical, Throat Depth 1 1/8 in, Anvil Diameter 0.25 in, Construction Cast Frame, Included Certification None