*
Distance(mm)	Rockwell Scale: C
    0.00	   42.27
    1.59	   42.00
    3.17	   45.10
    4.76	   45.10
    6.35	   51.50
    7.94	   51.60
    9.52	   51.30
   11.11	   51.30
   12.70	   51.80
   14.29	   52.30
   15.87	   52.80
   17.46	   52.50
   19.05	   51.90
   20.64	   50.30
   22.22	   49.50
   23.81	   49.50
   25.40	   49.20
   31.75	   54.80
   38.10	   51.20
   44.45	   50.60
   50.80	   47.20
   63.50	   45.80
   72.23	   44.10