*
Distance(mm)	Rockwell Scale: C
    0.00	   53.40
    1.59	   51.50
    3.17	   51.50
    4.76	   51.50
    6.35	   51.40
    7.94	   52.80
    9.52	   53.50
   11.11	   53.90
   12.70	   54.60
   14.29	   54.80
   15.87	   54.70
   17.46	   54.10
   19.05	   53.70
   20.64	   53.20
   22.22	   53.70
   23.81	   53.20
   25.40	   53.70
   31.75	   54.70
   38.10	   53.70
   44.45	   54.00
   50.80	   53.20
   63.50	   51.90
   69.85	   50.90