Vickers Hardness
EI-K1000DT Knoop
EI-K1000ZDT Knoop
EI-MKD1000AP Knoop
EI-MKD1000MP Knoop
EI-AKD1000XYZ Knoop
EI-XRD150P Rockwell
EI-XR150DT Rockwell
EI-R150D Digital Rockwell