*
Distance(mm)	Rockwell Scale: C
    0.00	   42.30
    1.59	   58.50
    3.17	   57.50
    4.76	   56.60
    6.35	   55.60
    7.94	   55.00
    9.52	   55.50
   11.11	   56.10
   12.70	   55.40
   14.29	   55.30
   15.87	   55.30
   17.46	   54.50
   19.05	   53.20
   20.64	   53.80
   22.22	   55.00
   23.81	   55.20
   25.40	   54.90
   31.75	   54.30
   38.10	   54.80
   44.45	   53.40
   50.80	   53.50
   63.50	   53.00
   71.44	   56.40