*
Distance(mm)	Rockwell Scale: C
    0.00	   58.40
    1.59	   61.00
    3.17	   61.70
    4.76	   61.80
    6.35	   61.60
    7.94	   60.40
    9.52	   59.70
   11.11	   60.80
   12.70	   60.70
   14.29	   59.80
   15.87	   59.10
   17.46	   60.10
   19.05	   59.90
   20.64	   58.70
   22.22	   58.10
   23.81	   57.20
   25.40	   57.70
   31.75	   52.70
   38.10	   50.40
   44.45	   47.20
   50.80	   44.20
   63.50	   43.80
   76.20	   41.90