Hardness Tester Hermetic Portable Scales HB HL HRB HRC HS HTN HV Measuring Range Mass 5kg or More In Mass Testable Work Piece Thickness Minimum 5mm or More Resolution 0.1 HRB 0.1 HRC 0.1 HS 1 HB 1 HL 1 HV 1 Mpa Indenter Ball SPC Output Features Type Portable Hardness Tester for Metal with A Compact Body and High Operability Includes (2) AA Batteries Cable Detector Display Unit Test Block HLD800