fine+whetstone
61oilstone — n. a fine grained flat stone used with oil for sharpening flat tools, e.g. chisels, planes, etc. (cf. WHETSTONE) …
62knife stone — noun : hone 1; especially : a fine grained whetstone for setting and finishing on edge …
61oilstone — n. a fine grained flat stone used with oil for sharpening flat tools, e.g. chisels, planes, etc. (cf. WHETSTONE) …
62knife stone — noun : hone 1; especially : a fine grained whetstone for setting and finishing on edge …