*
Distance(mm)	Rockwell Scale: C
    0.00	   48.70
    1.59	   55.70
    3.17	   56.90
    4.76	   54.70
    6.35	   50.40
    7.94	   54.80
    9.52	   56.60
   11.11	   56.20
   12.70	   55.30
   14.29	   53.20
   15.87	   52.90
   17.46	   52.20
   19.05	   50.50
   20.64	   48.10
   22.22	   42.80
   23.81	   42.00
   25.40	   41.30
   31.75	   35.90
   38.10	   38.70
   44.45	   34.70
   50.80	   34.00
   63.50	   31.20
   71.75	   24.90