*
Distance(mm)	Rockwell Scale: C
    0.00	   31.60
    1.59	   57.70
    3.17	   56.50
    4.76	   55.10
    6.35	   52.50
    7.94	   54.30
    9.52	   54.40
   11.11	   54.80
   12.70	   54.70
   14.29	   55.20
   15.87	   53.00
   17.46	   54.20
   19.05	   54.00
   20.64	   53.20
   22.22	   51.00
   23.81	   49.40
   25.40	   44.80
   31.75	   41.20
   38.10	   41.00
   44.45	   35.50
   50.80	   35.90
   63.50	   34.60
   73.02	   23.70