*
Distance(mm)	Rockwell Scale: C
    0.00	   44.40
    1.59	   55.20
    3.17	   51.20
    4.76	   51.40
    6.35	   50.20
    7.94	   49.10
    9.52	   49.40
   11.11	   49.00
   12.70	   49.80
   14.29	   49.30
   15.87	   49.50
   17.46	   49.50
   19.05	   49.40
   20.64	   49.50
   22.22	   50.60
   23.81	   51.40
   25.40	   51.70
   31.75	   55.10
   38.10	   54.60
   44.45	   54.80
   50.80	   55.40
   63.50	   53.70
   71.44	   51.50