*
Distance(mm)	Rockwell Scale: C
    0.00	   36.40
    1.59	   56.60
    3.17	   55.10
    4.76	   52.70
    6.35	   52.90
    7.94	   53.30
    9.52	   53.30
   11.11	   48.70
   12.70	   53.20
   14.29	   55.80
   15.87	   56.10
   17.46	   56.80
   19.05	   55.50
   20.64	   54.00
   22.22	   48.40
   23.81	   46.80
   25.40	   45.60
   31.75	   40.30
   38.10	   39.10
   44.45	   35.20
   50.80	   33.50
   63.50	   34.90
   73.02	   33.10