*
Distance(mm)	Rockwell Scale: C
    0.00	   55.20
    1.59	   59.40
    3.17	   60.60
    4.76	   60.50
    6.35	   60.20
    7.94	   59.30
    9.52	   58.80
   11.11	   56.80
   12.70	   54.90
   14.29	   51.70
   15.87	   48.50
   17.46	   44.30
   19.05	   41.20
   20.64	   40.20
   22.22	   38.60
   23.81	   37.20
   25.40	   36.20
   31.75	   34.20
   38.10	   33.10
   44.45	   32.80
   50.80	   36.10
   63.50	   31.90
   76.20	   31.00