Metrix Plus Hardmaster 1.5 V Leeb Hardness Tester comprises a carbide ball hammer attached with a spring to measure the hardness. The rebound velocity of the hammer measures hardness. Hardness Tester can measure the metal's hardness by different angles, which are perpendicular to the surface. 1.5 V Leeb Hardness Tester can measure steel, hard metal alloy, stainless steel, Cast iron and non-ferrous metals. The tester has a release button to calculate the hardness value. The LCD has a backlight to measure the hardness in the absence of daylight. The automatic shutdown function makes the device power-efficient. The device can store up to 50 groups of data values. Product Specification- Brand- Metrix Plus Dimensions- 146 x 65 x 36 mm Display- LCD with backlight Model- Hardmaster Measuring range- 200 – 900 L Power supply- 2 x 1.5 V AAA Battery Weight- 130 grams Operating temperature- - 10 to 50 Degree C