*
Distance(mm)	Rockwell Scale: C
    0.00	   86.10
    1.59	   43.60
    3.17	   46.40
    4.76	   54.10
    6.35	   53.70
    7.94	   54.00
    9.52	   54.20
   11.11	   54.70
   12.70	   55.10
   14.29	   55.20
   15.87	   53.90
   17.46	   52.90
   19.05	   51.50
   20.64	   49.10
   22.22	   48.30
   23.81	   47.50
   25.40	   46.20
   31.75	   42.70
   38.10	   40.60
   44.45	   38.70
   50.80	   38.60
   63.50	   35.20
   73.02	   29.10