*
Distance(mm)	Rockwell Scale: C
    0.00	   48.13
    1.59	   60.10
    3.17	   59.00
    4.76	   58.30
    6.35	   57.50
    7.94	   56.10
    9.52	   55.60
   11.11	   56.30
   12.70	   57.90
   14.29	   58.00
   15.87	   56.80
   17.46	   59.40
   19.05	   50.80
   20.64	   51.70
   22.22	   54.40
   23.81	   55.30
   25.40	   58.00
   31.75	   54.20
   38.10	   52.90
   44.45	   53.80
   50.80	   56.90
   63.50	   55.10
   71.44	   53.00