*
Distance(mm)	Rockwell Scale: C
    0.00	   50.40
    1.59	   50.00
    3.17	   55.60
    4.76	   56.70
    6.35	   56.30
    7.94	   54.60
    9.52	   20.70
   11.11	   49.40
   12.70	   55.60
   14.29	   53.60
   15.87	   52.00
   17.46	   49.20
   19.05	   46.70
   20.64	   46.10
   22.22	   43.90
   23.81	   42.60
   25.40	   40.80
   31.75	   35.40
   38.10	   37.80
   44.45	   33.10
   50.80	   33.90
   63.50	   34.30
   74.61	   28.10