*
Distance(mm)	Rockwell Scale: C
    0.00	   43.27
    1.59	   57.70
    3.17	   58.00
    4.76	   54.30
    6.35	   55.70
    7.94	   55.50
    9.52	   55.40
   11.11	   56.90
   12.70	   56.80
   14.29	   56.70
   15.87	   56.60
   17.46	   56.10
   19.05	   55.30
   20.64	   53.20
   22.22	   51.10
   23.81	   47.90
   25.40	   45.70
   31.75	   41.40
   38.10	   37.70
   44.45	   37.70
   50.80	   33.50
   63.50	   38.30
   73.02	   26.10