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

Air Turbine Tools 2590SVR - 1/4" Angle Hand Tool Series (Long Version, Rear Exhaust), 30,000RPM, 35830
Air Turbine Tools 310RDM - 6mm Router Hand Tool Series, 30,000RPM, 33433
Air Turbine Tools 310RSV - 6mm Router Hand Tool Series, 40,000RPM, 33441
Air Turbine Tools 2545SSVF - 6mm Angle Hand Tool Series (Short Version, Front Exhaust), 40,000 RPM, 35549
3M 65489, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5120TRI-10T, 5 IN x UH, 120, 7100202877, 10 per pack
Air Turbine Tools 2545SVR - 6mm Angle Hand Tool Series (Long Version, Rear Exhaust), 40,000RPM, 35541
Air Turbine Tools 310RXDM - 6mm Router Hand Tool Series with Brake, 30,000RPM, 43437 
