*
Distance(mm)	Rockwell Scale: C
    0.00	   55.00
    1.59	   61.40
    3.17	   61.50
    4.76	   61.40
    6.35	   61.20
    7.94	   60.80
    9.52	   60.50
   11.11	   60.30
   12.70	   60.00
   14.29	   59.50
   15.87	   59.50
   17.46	   59.30
   19.05	   58.80
   20.64	   58.60
   22.22	   58.10
   23.81	   57.60
   25.40	   56.80
   31.75	   53.00
   38.10	   49.40
   44.45	   46.30
   50.80	   43.70
   63.50	   42.50
   76.20	   40.50