*
Distance(mm)	Rockwell Scale: C
    0.00	   50.90
    1.59	   49.70
    3.17	   52.60
    4.76	   50.50
    6.35	   53.50
    7.94	   54.00
    9.52	   52.00
   11.11	   50.90
   12.70	   52.80
   14.29	   46.30
   15.87	   45.70
   17.46	   48.40
   19.05	   46.50
   20.64	   46.10
   22.22	   45.30
   23.81	   47.40
   25.40	   46.40
   31.75	   36.00
   38.10	   32.60
   44.45	   30.80
   50.80	   29.80
   63.50	   20.90
   74.61	   23.40