*
Distance(mm)	Rockwell Scale: C
    0.00	   59.30
    1.59	   50.30
    3.17	   55.30
    4.76	   56.50
    6.35	   56.40
    7.94	   56.10
    9.52	   54.70
   11.11	   53.40
   12.70	   53.30
   14.29	   52.80
   15.87	   52.80
   17.46	   52.00
   19.05	   50.50
   20.64	   51.30
   22.22	   51.80
   23.81	   52.40
   25.40	   52.30
   31.75	   51.40
   38.10	   49.30
   44.45	   51.30
   50.80	   49.20
   63.50	   48.20
   71.44	   45.90