*
Distance(mm)	Rockwell Scale: C
    0.00	   52.30
    1.59	   62.50
    3.17	   62.80
    4.76	   61.70
    6.35	   61.40
    7.94	   62.00
    9.52	   61.30
   11.11	   61.30
   12.70	   61.40
   14.29	   61.20
   15.87	   60.70
   17.46	   60.90
   19.05	   60.30
   20.64	   60.60
   22.22	   59.40
   23.81	   58.30
   25.40	   57.70
   31.75	   55.10
   38.10	   51.10
   44.45	   48.40
   50.80	   46.50
   63.50	   44.60
   76.20	   38.40