Portable Hardness Tester Blocks HB, HRB, HRC Hardness Scales for Brinell, Vickers

Method                      Method Test Block Size              Scales
Rockwell                       60×60×10mm                    HRB, HRC
Vickers                        60×60×10mm                       HV
Brinell                        60×60×10mm                       HB
Brinell                       100×100×17mm                      HB