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 4121-9D2, AMERICAN STANDARD THREAD RING GAGE, GO, 9/16-18UNF, 6928640359309
3M 64070, Contractor Grade Pro Strength Duct Tape 3979, Silver, 1.88 in x 60 yd, 7010375912 