*
Distance(mm)	Rockwell Scale: C
    0.00	   53.10
    1.59	   47.60
    3.17	   48.90
    4.76	   50.50
    6.35	   51.20
    7.94	   51.80
    9.52	   51.80
   11.11	   51.70
   12.70	   51.90
   14.29	   51.50
   15.87	   52.20
   17.46	   53.00
   19.05	   53.00
   20.64	   52.90
   22.22	   52.70
   23.81	   52.50
   25.40	   52.70
   31.75	   52.70
   38.10	   53.70
   44.45	   54.40
   50.80	   52.90
   63.50	   47.90
   76.20	   41.30