*
Distance(mm)	Rockwell Scale: C
    0.00	   56.10
    1.59	   54.40
    3.17	   55.30
    4.76	   56.10
    6.35	   55.80
    7.94	   55.00
    9.52	   54.50
   11.11	   54.50
   12.70	   55.60
   14.29	   54.10
   15.87	   55.90
   17.46	   55.10
   19.05	   55.00
   20.64	   55.00
   22.22	   56.60
   23.81	   55.50
   25.40	   55.10
   31.75	   52.70
   38.10	   54.50
   44.45	   53.80
   50.80	   53.90
   63.50	   53.40
   69.85	   49.20