Hardness scale: HRA, HRB, HRC, HRD HRF, HRG (with standard indenters); HRE, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV (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)

Dynabrade 92114 1/2" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
3M 87670, High Intensity Prismatic Reflective Sheeting 3930DS White forDigital Printing, 24 in x 50 yd, 7100116165 