*
Distance(mm)	Rockwell Scale: C
    0.00	   60.60
    1.59	   61.90
    3.17	   60.60
    4.76	   60.40
    6.35	   61.40
    7.94	   59.90
    9.52	   60.00
   11.11	   60.30
   12.70	   58.70
   14.29	   58.20
   15.87	   58.30
   17.46	   56.00
   19.05	   54.80
   20.64	   53.90
   22.22	   52.20
   23.81	   51.00
   25.40	   49.40
   31.75	   43.90
   38.10	   42.30
   44.45	   40.50
   50.80	   40.40
   63.50	   40.00
   76.20	   38.10