*
Distance(mm)	Rockwell Scale: C
    0.00	   47.37
    1.59	   62.20
    3.17	   61.30
    4.76	   60.50
    6.35	   61.10
    7.94	   60.70
    9.52	   60.10
   11.11	   60.70
   12.70	   59.90
   14.29	   60.00
   15.87	   60.10
   17.46	   59.30
   19.05	   59.80
   20.64	   59.40
   22.22	   58.60
   23.81	   58.80
   25.40	   58.30
   31.75	   54.90
   38.10	   52.30
   44.45	   48.90
   50.80	   46.70
   63.50	   44.00
   76.20	   43.50