V44
You want to be carefull about ordering stones. Many dealers still have the 203M stones, not the 204M stones. Depending on when they bought their 203M stones, they may or maynot work in your 204MF. The 203M stones of later vintage were slightly thicker and may not fit.
If you want the correct 204M stone/s call Dennis Wright of Wright Knives at 1-800-400-1080. He has them in stock.
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John F Jensen
"Your Quality Distributor"
619-475-3633