i found a couple of different sets here:
Sharpener #1
or
Sharpener #2
the difference is the 1st is $35 and has 250 grit, 500 grit, 700 grit stones.
the 2nd is $70 and has 500 grit, 700 grit, 900 grit stones.
each would cost $10 for s&h.
is the more expensive one worth the extra money or...