*
Distance(mm)	Rockwell Scale: C
    0.00	   54.60
    1.59	   57.60
    3.17	   58.60
    4.76	   58.10
    6.35	   57.60
    7.94	   56.90
    9.52	   55.80
   11.11	   52.70
   12.70	   52.00
   14.29	   50.50
   15.87	   46.70
   17.46	   42.90
   19.05	   40.50
   20.64	   39.30
   22.22	   39.00
   23.81	   38.30
   25.40	   38.20
   31.75	   34.20
   38.10	   32.40
   44.45	   33.00
   50.80	   30.80
   63.50	   27.00
   73.02	   22.60