*
Distance(mm)	Rockwell Scale: C
    0.00	   57.67
    1.59	   61.50
    3.17	   61.30
    4.76	   59.40
    6.35	   58.80
    7.94	   59.00
    9.52	   57.00
   11.11	   56.10
   12.70	   53.80
   14.29	   50.60
   15.87	   47.40
   17.46	   43.20
   19.05	   40.80
   20.64	   40.00
   22.22	   38.30
   23.81	   37.40
   25.40	   37.10
   31.75	   35.60
   38.10	   34.10
   44.45	   34.20
   50.80	   36.10
   63.50	   33.90
   71.44	   33.40