*
Distance(mm)	Rockwell Scale: C
    0.00	   54.20
    1.59	   50.30
    3.17	   40.50
    4.76	   36.40
    6.35	   35.60
    7.94	   35.00
    9.52	   43.00
   11.11	   44.70
   12.70	   44.40
   14.29	   40.50
   15.87	   41.60
   17.46	   41.60
   19.05	   33.60
   20.64	   36.10
   22.22	   33.70
   23.81	   33.90
   25.40	   32.40
   31.75	   32.90
   38.10	   33.70
   44.45	   24.50
   50.80	   28.70
   63.50	   32.90
   72.23	   45.20