*
Distance(mm)	Rockwell Scale: C
    0.00	   39.03
    1.59	   51.70
    3.17	   49.20
    4.76	   53.50
    6.35	   54.40
    7.94	   55.00
    9.52	   53.70
   11.11	   53.00
   12.70	   52.60
   14.29	   52.10
   15.87	   53.10
   17.46	   54.40
   19.05	   54.50
   20.64	   54.00
   22.22	   52.70
   23.81	   52.60
   25.40	   52.90
   31.75	   54.50
   38.10	   54.80
   44.45	   56.40
   50.80	   53.70
   63.50	   53.60
   69.06	   54.90