*
Distance(mm)	Rockwell Scale: C
    0.00	   51.20
    1.59	   50.30
    3.17	   50.70
    4.76	   51.20
    6.35	   52.10
    7.94	   51.30
    9.52	   50.90
   11.11	   48.80
   12.70	   46.80
   14.29	   46.60
   15.87	   50.10
   17.46	   53.20
   19.05	   53.20
   20.64	   51.80
   22.22	   51.80
   23.81	   53.50
   25.40	   53.50
   31.75	   47.90
   38.10	   47.80
   44.45	   48.00
   50.80	   52.50
   63.50	   54.80
   71.44	   49.40