*
Distance(mm)	Rockwell Scale: C
    0.00	   53.30
    1.59	   60.90
    3.17	   61.20
    4.76	   61.30
    6.35	   60.90
    7.94	   60.80
    9.52	   60.30
   11.11	   59.80
   12.70	   59.30
   14.29	   58.90
   15.87	   58.40
   17.46	   57.50
   19.05	   56.20
   20.64	   54.70
   22.22	   53.50
   23.81	   51.60
   25.40	   50.00
   31.75	   45.10
   38.10	   41.40
   44.45	   40.00
   50.80	   39.40
   63.50	   39.80
   76.20	   39.30