*
Distance(mm)	Rockwell Scale: C
    0.00	   40.30
    1.59	   59.30
    3.17	   55.30
    4.76	   54.00
    6.35	   52.40
    7.94	   51.90
    9.52	   51.60
   11.11	   48.30
   12.70	   43.50
   14.29	   45.40
   15.87	   45.60
   17.46	   45.10
   19.05	   45.40
   20.64	   48.10
   22.22	   53.00
   23.81	   54.40
   25.40	   55.60
   31.75	   48.10
   38.10	   55.80
   44.45	   51.50
   50.80	   45.50
   63.50	   50.70
   71.44	   54.50