*
Distance(mm)	Rockwell Scale: C
    0.00	   32.90
    1.59	   50.50
    3.17	   54.70
    4.76	   56.10
    6.35	   53.60
    7.94	   47.80
    9.52	   44.90
   11.11	   42.60
   12.70	   41.60
   14.29	   44.40
   15.87	   49.60
   17.46	   50.70
   19.05	   49.70
   20.64	   47.30
   22.22	   44.20
   23.81	   40.50
   25.40	   37.00
   31.75	   36.70
   38.10	   33.30
   44.45	   22.70
   50.80	   22.60
   63.50	   26.40
   74.61	    6.70