*
Distance(mm)	Rockwell Scale: C
    0.00	   53.34
    1.59	   52.20
    3.17	   55.80
    4.76	   55.80
    6.35	   56.40
    7.94	   54.40
    9.52	   54.40
   11.11	   54.50
   12.70	   57.60
   14.29	   58.40
   15.87	   57.40
   17.46	   57.20
   19.05	   57.80
   20.64	   58.50
   22.22	   58.40
   23.81	   57.70
   25.40	   56.80
   31.75	   54.00
   38.10	   52.70
   44.45	   43.30
   50.80	   44.60
   63.50	   39.30
   73.02	   28.10