*
Distance(mm)	Rockwell Scale: C
    0.00	   52.60
    1.59	   50.30
    3.17	   50.20
    4.76	   50.80
    6.35	   55.60
    7.94	   55.70
    9.52	   55.90
   11.11	   55.50
   12.70	   55.90
   14.29	   55.50
   15.87	   54.90
   17.46	   54.20
   19.05	   53.70
   20.64	   52.70
   22.22	   50.80
   23.81	   48.50
   25.40	   47.70
   31.75	   39.10
   38.10	   37.30
   44.45	   34.60
   50.80	   32.20
   63.50	   34.80
   76.20	   23.50