*
Distance(mm)	Rockwell Scale: C
    0.00	   49.80
    1.59	   60.70
    3.17	   60.00
    4.76	   60.20
    6.35	   59.60
    7.94	   59.60
    9.52	   59.00
   11.11	   59.40
   12.70	   58.60
   14.29	   57.90
   15.87	   57.60
   17.46	   57.10
   19.05	   55.80
   20.64	   55.40
   22.22	   53.90
   23.81	   53.00
   25.40	   52.70
   31.75	   48.20
   38.10	   45.20
   44.45	   41.80
   50.80	   40.10
   63.50	   38.40
   76.20	   38.60