Item Name: Dial Ruler Tool Shockproof Test Dial Gauge Lever Indicator Indicator Meter. Name: Lever IndicatorDisplay: PointerDimension: 5.5*2.2*4cm (Diameter*thickness*bottom length)Resolution: 0.01mmPrecise and professional made, stable performanceRange: 0-4mmFunction: Metering the concentricity of principal aColor: YellowFeatures: The accuracy of the dial indicator is 0.01mm, which can more accurately measure the concentricity of the main body. The scale is clear, and the reading is intuitive and convenient. High-quality stainless steel measuring probe, rust-proof and wear-resistant. Packages:1 x Dial Indicator *Please make