*
Distance(mm)	Rockwell Scale: C
    0.00	   39.20
    1.59	   52.30
    3.17	   57.20
    4.76	   55.30
    6.35	   50.50
    7.94	   54.70
    9.52	   54.50
   11.11	   53.90
   12.70	   53.90
   14.29	   54.00
   15.87	   54.70
   17.46	   54.60
   19.05	   53.60
   20.64	   53.60
   22.22	   53.90
   23.81	   53.90
   25.40	   54.50
   31.75	   54.50
   38.10	   53.50
   44.45	   52.30
   50.80	   53.20
   63.50	   50.60
   73.02	   35.90