*
Distance(mm)	Rockwell Scale: C
    0.00	   40.57
    1.59	   59.30
    3.17	   55.10
    4.76	   56.80
    6.35	   54.60
    7.94	   54.90
    9.52	   54.10
   11.11	   54.50
   12.70	   53.50
   14.29	   53.30
   15.87	   51.90
   17.46	   49.70
   19.05	   47.40
   20.64	   46.20
   22.22	   44.40
   23.81	   42.50
   25.40	   41.70
   31.75	   35.90
   38.10	   31.50
   44.45	   32.90
   50.80	   32.60
   63.50	   30.90
   73.02	   34.00