*
Distance(mm)	Rockwell Scale: C
    0.00	   41.60
    1.59	   56.10
    3.17	   53.70
    4.76	   52.20
    6.35	   51.70
    7.94	   51.30
    9.52	   52.00
   11.11	   51.70
   12.70	   50.90
   14.29	   49.10
   15.87	   46.50
   17.46	   44.00
   19.05	   43.70
   20.64	   44.50
   22.22	   42.80
   23.81	   40.40
   25.40	   39.80
   31.75	   34.20
   38.10	   32.40
   44.45	   32.50
   50.80	   28.80
   63.50	   26.60
   73.02	   12.10