*
Distance(mm)	Rockwell Scale: C
    0.00	   48.90
    1.59	   53.60
    3.17	   53.10
    4.76	   55.30
    6.35	   56.00
    7.94	   56.90
    9.52	   57.30
   11.11	   57.70
   12.70	   57.70
   14.29	   57.80
   15.87	   56.90
   17.46	   55.80
   19.05	   55.70
   20.64	   55.90
   22.22	   55.20
   23.81	   55.70
   25.40	   55.50
   31.75	   51.80
   38.10	   45.60
   44.45	   44.10
   50.80	   32.50
   63.50	   31.80
   73.82	   38.10