*
Distance(mm)	Rockwell Scale: C
    0.00	   46.50
    1.59	   52.80
    3.17	   54.80
    4.76	   53.30
    6.35	   53.20
    7.94	   54.20
    9.52	   54.70
   11.11	   55.00
   12.70	   54.50
   14.29	   55.10
   15.87	   54.30
   17.46	   50.50
   19.05	   54.00
   20.64	   56.30
   22.22	   57.10
   23.81	   58.00
   25.40	   57.60
   31.75	   49.40
   38.10	   48.30
   44.45	   48.10
   50.80	   45.00
   63.50	   41.00
   73.02	   38.70