*
Distance(mm)	Rockwell Scale: C
    0.00	   54.80
    1.59	   53.50
    3.17	   51.90
    4.76	   53.00
    6.35	   53.40
    7.94	   52.80
    9.52	   52.50
   11.11	   49.00
   12.70	   52.11
   14.29	   53.50
   15.87	   54.40
   17.46	   53.80
   19.05	   49.00
   20.64	   47.90
   22.22	   48.20
   23.81	   50.80
   25.40	   52.20
   31.75	   46.90
   38.10	   46.10
   44.45	   47.60
   50.80	   54.80
   63.50	   49.50
   69.85	   50.90