*
Distance(mm)	Rockwell Scale: C
    0.00	   32.40
    1.59	   53.80
    3.17	   59.60
    4.76	   61.20
    6.35	   59.70
    7.94	   59.50
    9.52	   59.30
   11.11	   57.60
   12.70	   58.20
   14.29	   55.10
   15.87	   55.50
   17.46	   54.20
   19.05	   54.90
   20.64	   55.10
   22.22	   55.20
   23.81	   55.20
   25.40	   54.90
   31.75	   52.50
   38.10	   47.70
   44.45	   44.70
   50.80	   43.70
   63.50	   36.70
   76.20	   31.00