*
Distance(mm)	Rockwell Scale: C
    0.00	   44.30
    1.59	   56.80
    3.17	   56.90
    4.76	   53.30
    6.35	   53.00
    7.94	   52.80
    9.52	   52.50
   11.11	   54.00
   12.70	   54.50
   14.29	   55.00
   15.87	   54.40
   17.46	   53.90
   19.05	   50.90
   20.64	   54.20
   22.22	   54.20
   23.81	   54.50
   25.40	   54.50
   31.75	   55.20
   38.10	   53.90
   44.45	   55.40
   50.80	   55.10
   63.50	   53.80
   71.44	   40.70