1.Adopts mechanical and manual testing method,without electrical device. 2.High precision,easily read the scale ... , HRC, HRD, HRE, HRF,HRG,HRH,HRK Initial Testing Force 10kgf (98N) All Testing Force 60kgf (588N), 100kgf (980N), 150kgf (1471N) Indication ... 1.5875mm Hard Alloy Steel Ball Indenter, Large Testing Table , Medium Testing Table and Vshaped Testing Table, HRC and HRB Hardness Blocks.All ...