*
Distance(mm)	Rockwell Scale: C
    0.00	   45.17
    1.59	   57.40
    3.17	   57.40
    4.76	   56.30
    6.35	   57.70
    7.94	   58.20
    9.52	   56.00
   11.11	   57.30
   12.70	   56.30
   14.29	   56.40
   15.87	   55.00
   17.46	   53.60
   19.05	   52.40
   20.64	   51.10
   22.22	   49.40
   23.81	   46.60
   25.40	   44.10
   31.75	   40.90
   38.10	   35.90
   44.45	   33.20
   50.80	   31.90
   63.50	   31.00
   76.20	   16.80