*
Distance(mm)	Rockwell Scale: C
    0.00	   42.60
    1.59	   56.80
    3.17	   56.00
    4.76	   56.80
    6.35	   57.00
    7.94	   57.20
    9.52	   55.70
   11.11	   56.70
   12.70	   53.30
   14.29	   55.30
   15.87	   51.60
   17.46	   52.00
   19.05	   50.10
   20.64	   47.80
   22.22	   45.10
   23.81	   41.90
   25.40	   38.20
   31.75	   29.50
   38.10	   32.20
   44.45	   37.40
   50.80	   31.10
   63.50	   31.70
   73.02	   29.30