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)

3M 36253, Hookit Blue Abrasive Disc, 5 in, 80 grade, No Hole, 7100199421, 50 discs per carton
Insize 0110-1125, ANEMOMETER, 6974029776595
3M 98235, Pro Strength Duct Tape 1210-A 1.88 in x 10 yd (48.0 mm x 9.14 m), 7000029903
3M 80510, Roloc Disc 777F, P120 YF-weight, TR, 1 in, Die R100N, 7000045622
Dynabrade 51622 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 35,000 RPM, 3mm Collet 