Feature:1. SWITCHABLE UNITS: Digital brake rotor gauge with power switch, measurement unit conversion at any position, support 0 reset at any position, with data output port2. APPLICABLE SCENARIO: At the same time, brake rotor gauge is widely used for measuring the wear of various types of automotive brake pads and brake discs, as well as for measuring the thickness of the bottom of deep cylindrical objects3. INDUSTRIAL GRADE: Compliant with CN standard industrial product standards, serving as an industrial high end CN standard IP54 digital caliper4. STRONG MATERIAL: The electronic digital brake caliper is made of stainless steel material, using accurate grinding and excellent chip technology5. WIDE APPLICATION: Digital electronic display caliper is widely used for measuring wall thickness, cup bottom, bucket bottom, bowl bottom thickness, and very versatileSpecification:Item Type: Digital Brake Rotor GaugeWater proof Class: IP54Battery: 1 x 3V CR2032(not include)Material: Stainless steelProcess: Fine grinding, quality chipUsage: Widely used in all kinds of automobile brake pad car disc brake wear measurement and deep bucket object bottom thickness measurementStandard: National standard for industrial productsSpecification: Conventional Size: Approx. 0 ~ 80mm / 0 ~ 3.15inReading Value: 0.01mm/0.0005inAccuracy Error: 0.05mm/0.002inWith power switch, any position measurement unit conversion, any position clear zero, data output port.Package List:1 x Vernier Caliper1 x Storage Box