*
Distance(mm)	Rockwell Scale: C
    0.00	   50.30
    1.59	   34.80
    3.17	   52.60
    4.76	   48.90
    6.35	   49.50
    7.94	   49.10
    9.52	   50.30
   11.11	   50.10
   12.70	   50.30
   14.29	   49.10
   15.87	   49.00
   17.46	   52.80
   19.05	   54.80
   20.64	   56.60
   22.22	   57.60
   23.81	   56.80
   25.40	   57.40
   31.75	   55.90
   38.10	   54.40
   44.45	   53.20
   50.80	   51.30
   63.50	   46.40
   74.61	   44.20