*
Distance(mm)	Rockwell Scale: C
    0.00	   44.26
    1.59	   54.30
    3.17	   53.20
    4.76	   52.60
    6.35	   52.70
    7.94	   52.90
    9.52	   50.60
   11.11	   50.70
   12.70	   53.00
   14.29	   53.20
   15.87	   54.30
   17.46	   54.50
   19.05	   53.30
   20.64	   51.60
   22.22	   50.60
   23.81	   53.10
   25.40	   52.90
   31.75	   51.50
   38.10	   50.60
   44.45	   53.00
   50.80	   53.40
   63.50	   52.50
   69.85	   49.00