*
Distance(mm)	Rockwell Scale: C
    0.00	   49.13
    1.59	   50.90
    3.17	   51.30
    4.76	   52.00
    6.35	   53.30
    7.94	   56.30
    9.52	   56.20
   11.11	   55.60
   12.70	   55.30
   14.29	   55.10
   15.87	   55.00
   17.46	   52.60
   19.05	   51.80
   20.64	   50.70
   22.22	   49.10
   23.81	   47.30
   25.40	   45.50
   31.75	   40.60
   38.10	   37.50
   44.45	   35.70
   50.80	   33.20
   63.50	   34.00
   74.61	   22.40