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Feature

4.0"x1.6"x0.6" (100x40x15mm) +/-3%; grit ~12000 (ultra fine); includes: genuine leather case
Natural "Ocean Blue" Tsushima sharpening honing pocket waterstone whetstone
Used for honing and sharpening knives, chisels, gouges, razors, blades, planes; no pre-soaking required
Medium hard, very dense, uniform consistency of ultra fine grit; longer life cutting edge; high dish resistance, long lifetime
Quarried from a now closed underwater mine near South Tsushima Island, Japan; golden stamp of authenticity; very limited stock

Description

Instructions: 1. Use with water only, do not use with oil. 2. No pre-soaking required, just spray or splash a bit of water on the stone surface. 3. After sharpening, rinse the stone with water. 4. Wipe the stone dry, do not store immersed in water.