Feature:1. LXDA digital display hardness tester, intuitively and clearly displays the hardness value.2. The spiral spring advances slowly to ensure the stability and accuracy of the measurement.3. It is widely used in low and medium hardness plastics, rubber, multifat leather, wax, etc.4. Using highquality iron materials, durable and wearresistant, longterm use.5. Used for hardness numerical measurement, small and light, easy to carry and use.Specification:Item Type: Hardness GaugeMaterial: IronModel: LXD-APower Supply: CR2032 3V x 1 (Battery Not Included)Purpose: Hardness Value MeasurementMeasuring Range: 0-100Measurement Error: Within 20-90, error 1Pressing Needle Stroke: 0-2.5mmPressure at Tip of Indenter: 0.55N-8.05N.Package List:1 x Hardness Gauge (Battery Not Included)1 x Manual1 x Storage BoxNote:After the hardness tester is used, it should be wiped clean and put into the instrument box, and placed in a dry place to prevent moisture.