*
Distance(mm)	Rockwell Scale: C
    0.00	   56.40
    1.59	   56.40
    3.17	   58.10
    4.76	   59.50
    6.35	   59.70
    7.94	   61.40
    9.52	   61.10
   11.11	   60.80
   12.70	   60.60
   14.29	   58.80
   15.87	   57.50
   17.46	   55.80
   19.05	   55.30
   20.64	   55.80
   22.22	   56.50
   23.81	   56.40
   25.40	   55.80
   31.75	   53.90
   38.10	   51.50
   44.45	   47.80
   50.80	   45.50
   63.50	   41.70
   71.44	   38.20