*
Distance(mm)	Rockwell Scale: C
    0.00	   87.10
    1.59	   55.60
    3.17	   57.40
    4.76	   58.20
    6.35	   56.50
    7.94	   57.20
    9.52	   56.20
   11.11	   53.30
   12.70	   53.10
   14.29	   50.60
   15.87	   45.10
   17.46	   46.00
   19.05	   44.30
   20.64	   42.20
   22.22	   40.10
   23.81	   37.00
   25.40	   37.40
   31.75	   34.80
   38.10	   37.10
   44.45	   33.10
   50.80	   34.60
   63.50	   31.30
   73.02	   26.80