*
Distance(mm)	Rockwell Scale: C
    0.00	   38.70
    1.59	   52.10
    3.17	   54.30
    4.76	   55.50
    6.35	   55.10
    7.94	   56.10
    9.52	   55.80
   11.11	   56.00
   12.70	   56.00
   14.29	   55.80
   15.87	   56.00
   17.46	   54.10
   19.05	   52.30
   20.64	   51.20
   22.22	   50.40
   23.81	   49.10
   25.40	   48.10
   31.75	   39.90
   38.10	   37.30
   44.45	   37.40
   50.80	   36.50
   63.50	   34.60
   73.02	   30.80