... materials metallographic composition TypeMHV-5 MHV-10 MHV-30 MHV-50 Testing Forces N1.961, 2.942, 4.903, 9.807 ... KGF0.2, 0.3, 0.5, 1, 2, 2.5, 50.3, 0.5, 1, 2, 2.5, 3, 5, 100 ... accurate LCD screen Vickers Hardness Tester MHV-5/10/30/50 for Glass, ceramics, agate China Vickers Hardness Tester