*
Distance(mm)	Rockwell Scale: C
    0.00	   49.40
    1.59	   24.00
    3.17	   54.60
    4.76	   56.20
    6.35	   55.80
    7.94	   56.50
    9.52	   56.80
   11.11	   56.30
   12.70	   56.00
   14.29	   56.00
   15.87	   56.10
   17.46	   56.90
   19.05	   56.50
   20.64	   56.60
   22.22	   56.30
   23.81	   56.30
   25.40	   55.80
   31.75	   55.70
   38.10	   55.30
   44.45	   55.60
   50.80	   53.50
   63.50	   47.70
   74.61	   29.50