*
Distance(mm)	Rockwell Scale: C
    0.00	   51.30
    1.59	   63.10
    3.17	   57.90
    4.76	   59.90
    6.35	   58.70
    7.94	   60.40
    9.52	   59.70
   11.11	   59.60
   12.70	   59.10
   14.29	   58.60
   15.87	   55.80
   17.46	   56.50
   19.05	   55.10
   20.64	   56.50
   22.22	   58.70
   23.81	   58.40
   25.40	   57.70
   31.75	   51.30
   38.10	   48.10
   44.45	   44.40
   50.80	   41.20
   63.50	   38.90
   73.02	   34.60