*
Distance(mm)	Rockwell Scale: C
    0.00	   55.75
    1.59	   55.50
    3.17	   52.30
    4.76	   50.10
    6.35	   50.10
    7.94	   56.50
    9.52	   56.80
   11.11	   56.50
   12.70	   56.00
   14.29	   55.40
   15.87	   54.00
   17.46	   52.10
   19.05	   50.00
   20.64	   47.30
   22.22	   45.20
   23.81	   43.70
   25.40	   42.10
   31.75	   37.40
   38.10	   36.10
   44.45	   33.90
   50.80	   34.20
   63.50	   27.20
   73.02	   22.60