*
Distance(mm)	Rockwell Scale: C
    0.00	   58.70
    1.59	   52.60
    3.17	   51.40
    4.76	   36.30
    6.35	   28.40
    7.94	   26.60
    9.52	   25.90
   11.11	   24.90
   12.70	   24.90
   14.29	   24.30
   15.87	   23.00
   17.46	   20.80
   19.05	   20.70
   20.64	   20.70
   22.22	   20.20
   23.81	   19.40
   25.40	   18.30
   31.75	   19.20
   38.10	   19.60
   44.45	   17.10
   50.80	   15.30
   63.50	   12.70
   71.44	   13.30