Manufactured by Koyama under the name "iWood".
Starting with a precision ground steel plate and then adding diamonds to the surface in a common 'diamond' pattern. An economical yet high quality and durable diamond plate, these plates are suitable for flattening waterstones as well as repairing and altering tool edge profiles.
Also available are several smaller diamond sharpening plates, foils and stones.
iWood diamond products.
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