*
Distance(mm)	Rockwell Scale: C
    0.00	   43.30
    1.59	   51.60
    3.17	   55.50
    4.76	   58.00
    6.35	   58.10
    7.94	   58.70
    9.52	   58.50
   11.11	   55.60
   12.70	   51.60
   14.29	   55.30
   15.87	   59.80
   17.46	   59.50
   19.05	   57.70
   20.64	   55.00
   22.22	   52.40
   23.81	   51.20
   25.40	   50.40
   31.75	   43.00
   38.10	   38.50
   44.45	   35.00
   50.80	   35.50
   63.50	   36.50
   73.02	   32.10