*
Distance(mm)	Rockwell Scale: C
    0.00	    47.2
    1.59	   54.80
    3.17	   58.70
    4.76	   58.60
    6.35	   54.70
    7.94	   54.00
    9.52	   54.10
   11.11	   53.80
   12.70	   53.80
   14.29	   54.00
   15.87	   54.70
   17.46	   57.80
   19.05	   58.30
   20.64	   57.80
   22.22	   57.70
   23.81	   57.10
   25.40	   53.30
   31.75	   54.20
   38.10	   50.90
   44.45	   48.20
   50.80	   46.60
   63.50	   53.00
   71.44	   44.50