Hardness scale: HRA, HRB, HRC, HRD HRF, HRG (with standard indenters); HRE, HRH, HRK (with optional indenter).
Stage elevation manual. Load control automatic. Resolution 0.1HR. Tolearance testing.
Set testing times (2~10) to have average value and the difference of max. and min. value
Convert to other Rockwell scales, HV or HB
Memory of 500 testing values for browsing and output
Testing value can be sent to wireless printer automatically
Calibration function compensates the testing value for high accuracy

Insize 7332, SPINDLE LIFT KNOB, 6928640312649
3M 31381, Cubitron II Hookit Marine Sanding Abrasive Disc 737U, 31381, 6 in, 120+, 7100062433
Dynabrade 97566 1/4" Safety Coupler, Female 