*
Distance(mm)	Rockwell Scale: C
    0.00	   60.70
    1.59	   61.00
    3.17	   60.50
    4.76	   60.00
    6.35	   60.60
    7.94	   60.20
    9.52	   59.90
   11.11	   60.20
   12.70	   59.60
   14.29	   59.80
   15.87	   59.80
   17.46	   58.90
   19.05	   59.40
   20.64	   58.70
   22.22	   57.70
   23.81	   57.60
   25.40	   57.00
   31.75	   53.80
   38.10	   50.50
   44.45	   47.40
   50.80	   45.80
   63.50	   43.90
   68.26	   43.10