*
Distance(mm)	Rockwell Scale: C
    0.00	   38.30
    1.59	   56.40
    3.17	   57.50
    4.76	   51.40
    6.35	   34.80
    7.94	   43.50
    9.52	   56.50
   11.11	   50.40
   12.70	   58.90
   14.29	   58.80
   15.87	   59.40
   17.46	   58.70
   19.05	   57.10
   20.64	   54.80
   22.22	   53.40
   23.81	   47.70
   25.40	   40.10
   31.75	   33.80
   38.10	   35.90
   44.45	   40.00
   50.80	   37.80
   63.50	   28.60
   73.02	   21.30