This tester is suitable for the quick hardness of metal materials. The measured leeb hardness can be converted into the hardness of brinell, rockwell, vicker and shore according to different diections and can be converted and recorded automatically.MAIN ACCESSORIES Small positioner: 1pc Brinder: 1bottle leeb standardized block: 1pc Charger: 1pc Power supply: 6.0V DC Wprking temperature: 1-40?Dimensions: 268x86x47mm Weight: approx 0.67Kg Model No. 639-2013