Hardness Tester Blocks with HRB, HRC, HV Scales for Rockwell, Vickers, Brinell    

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