*
Distance(mm)	Rockwell Scale: C
    0.00	   43.58
    1.59	   53.70
    3.17	   54.80
    4.76	   55.00
    6.35	   54.90
    7.94	   54.90
    9.52	   55.30
   11.11	   55.50
   12.70	   55.30
   14.29	   55.90
   15.87	   54.30
   17.46	   54.70
   19.05	   54.00
   20.64	   53.60
   22.22	   53.30
   23.81	   53.20
   25.40	   52.20
   31.75	   53.10
   38.10	   54.50
   44.45	   55.20
   50.80	   54.70
   63.50	   55.00
   73.82	   58.30