*
Distance(mm)	Rockwell Scale: C
    0.00	   56.40
    1.59	   56.30
    3.17	   57.10
    4.76	   57.80
    6.35	   57.90
    7.94	   55.30
    9.52	   56.00
   11.11	   47.80
   12.70	   48.60
   14.29	   48.00
   15.87	   57.00
   17.46	   53.40
   19.05	   54.70
   20.64	   54.20
   22.22	   53.10
   23.81	   52.60
   25.40	   50.70
   31.75	   40.60
   38.10	   34.50
   44.45	   30.20
   50.80	   28.80
   63.50	   27.50
   71.44	   15.30