*
Distance(mm)	Rockwell Scale: C
    0.00	   49.60
    1.59	   61.50
    3.17	   60.70
    4.76	   61.40
    6.35	   60.70
    7.94	   59.80
    9.52	   60.70
   11.11	   59.80
   12.70	   59.70
   14.29	   59.50
   15.87	   58.60
   17.46	   59.00
   19.05	   57.40
   20.64	   57.30
   22.22	   56.60
   23.81	   54.90
   25.40	   54.80
   31.75	   49.50
   38.10	   46.50
   44.45	   42.10
   50.80	   40.70
   63.50	   38.60
   68.26	   38.10