*
Distance(mm)	Rockwell Scale: C
    0.00	   47.77
    1.59	   56.30
    3.17	   55.30
    4.76	   54.00
    6.35	   54.60
    7.94	   55.80
    9.52	   56.60
   11.11	   56.30
   12.70	   56.50
   14.29	   55.10
   15.87	   51.60
   17.46	   52.50
   19.05	   54.60
   20.64	   55.30
   22.22	   56.00
   23.81	   56.60
   25.40	   56.80
   31.75	   56.00
   38.10	   56.10
   44.45	   56.50
   50.80	   55.70
   63.50	   55.50
   69.85	   50.70