MET- HVHK is a digital Vickers and Knoop hardness tester that adopts a new aluminum alloy die-casting process, with a sturdy and stable shell, novel and beautiful appearance. It adopts a direct drive loading mechanism, which has stable force and high testing efficiency. It has two indenters and four objectives, automatic recognition and switching, which is suitable for various application scenarios. Equipped with the digital eyepiece, it can visually display the test force, indentation length, dwell time, conversion scale, date and time, etc. on the touch screen. During operation, simply measure the indentation and press the eyepiece button to automatically get the hardness value and display it on the screen.