For pre-honing /rough honing, grit sizes F60, F80 and F100.
For semi-finish and fine honing, grit sizes F120 to F180.
For plateau honing, grit sizes F320 to F600.

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Superfinishing stones in grit sizes F600 to F1500, impregnated with sulphur, wax or graphite based.



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Bespoke finish and polishing stones, treated with wax or sulphur, in grit sizes F60 to F1200.



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