*
Distance(mm)	Rockwell Scale: C
    0.00	   47.60
    1.59	   57.40
    3.17	   58.10
    4.76	   58.30
    6.35	   57.70
    7.94	   57.10
    9.52	   56.00
   11.11	   56.30
   12.70	   56.10
   14.29	   54.50
   15.87	   57.00
   17.46	   58.00
   19.05	   58.70
   20.64	   56.80
   22.22	   56.20
   23.81	   55.90
   25.40	   53.60
   31.75	   51.20
   38.10	   51.60
   44.45	   60.90
   50.80	   52.40
   63.50	   54.90
   72.23	   46.40