*
Distance(mm)	Rockwell Scale: C
    0.00	   42.00
    1.59	   53.80
    3.17	   54.00
    4.76	   53.80
    6.35	   52.60
    7.94	   52.80
    9.52	   52.30
   11.11	   53.50
   12.70	   55.90
   14.29	   57.00
   15.87	   56.40
   17.46	   54.40
   19.05	   53.90
   20.64	   53.80
   22.22	   54.20
   23.81	   54.60
   25.40	   54.40
   31.75	   52.80
   38.10	   53.70
   44.45	   57.00
   50.80	   50.80
   63.50	   52.80
   73.02	   48.40