*
Distance(mm)	Rockwell Scale: C
    0.00	   39.00
    1.59	   51.90
    3.17	   53.80
    4.76	   51.50
    6.35	   53.80
    7.94	   53.60
    9.52	   53.50
   11.11	   53.80
   12.70	   54.80
   14.29	   54.80
   15.87	   53.90
   17.46	   55.50
   19.05	   55.20
   20.64	   54.80
   22.22	   54.30
   23.81	   54.80
   25.40	   54.60
   31.75	   51.70
   38.10	   49.10
   44.45	   44.40
   50.80	   40.90
   63.50	   35.70
   73.02	   30.70