*
Distance(mm)	Rockwell Scale: C
    0.00	   40.80
    1.59	   54.90
    3.17	   56.60
    4.76	   56.00
    6.35	   56.70
    7.94	   56.20
    9.52	   56.00
   11.11	   55.30
   12.70	   54.90
   14.29	   54.20
   15.87	   54.40
   17.46	   54.60
   19.05	   55.10
   20.64	   55.50
   22.22	   55.80
   23.81	   55.50
   25.40	   54.90
   31.75	   52.40
   38.10	   53.30
   44.45	   52.90
   50.80	   52.90
   63.50	   52.30
   71.44	   49.90