*
Distance(mm)	Rockwell Scale: C
    0.00	   17.40
    1.59	   61.50
    3.17	   62.20
    4.76	   61.70
    6.35	   60.90
    7.94	   61.60
    9.52	   61.20
   11.11	   60.70
   12.70	   61.00
   14.29	   60.20
   15.87	   60.60
   17.46	   59.90
   19.05	   60.30
   20.64	   59.80
   22.22	   60.00
   23.81	   58.90
   25.40	   59.30
   31.75	   56.40
   38.10	   53.00
   44.45	   50.10
   50.80	   47.50
   63.50	   45.20
   76.20	   45.40