Hardness scale: HRA, HRB, HRC, HRD HRF, HRG, HR15N/T, HR30N/T, HR45N/T (with standard indenters); HRE, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV, HR15W/X/Y, HR30W/X/Y, HR45W/X/Y (with optional indenter).
Automatic testing, the preliminary and main test force are loaded automatically
LCD touch screen, easy operation
Convert to other Rockwell scales, HV or HB automatically
Low and high limits. Insert USB flash disk, save the testing results as Excel.
Self-correcting the hardness value for curved workpiece.
Force loading by electric motor (without weights)

Insize 4131-41, AMERICAN STANDARD THREAD PLUG GAGE, 4-40UNC, 6928640358906
Dynabrade 97570 1/2" NPT Female Safety Coupler
Dynabrade 97567 1/4" Safety Coupler, Male
3M 07054, General Purpose Sanding Sponge CP-041-ESF, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Medium, 7100101551 