*
Distance(mm)	Rockwell Scale: C
    0.00	   42.87
    1.59	   33.10
    3.17	   54.60
    4.76	   59.00
    6.35	   52.60
    7.94	   53.10
    9.52	   54.80
   11.11	   53.20
   12.70	   51.50
   14.29	   52.50
   15.87	   53.40
   17.46	   53.70
   19.05	   52.10
   20.64	   52.70
   22.22	   55.30
   23.81	   56.30
   25.40	   54.30
   31.75	   53.20
   38.10	   53.50
   44.45	   53.60
   50.80	   54.70
   63.50	   51.60
   71.44	   53.60