What if I buy Boride stones 3mm thick to keep all my collection uniform

Llyn Idwal Whetstone was mined in Llyn Idwal region

Each stone:

Hydra was launched in the pre-OCB era with the legacy binder in all grits

charnley stone kmex What if I buy BorideCharnley Forest (Charnwood) is very rare sharpening stone used for super finish sharpening knives on KME or Hapstone knife sharpeners. Charnley Forest stones are made of novaculite, a naturally abrasive material of high density. Charnley Forest stones are mounted on high quality aluminum blanks. Charnley Forest Whetstone was mined in Leicestershire region, in the United Kingdom. Estimated grit for the stone is 8000 JIS. Charnley Forest is