DMT W7E Mini Extra Fine Diamond Whetstone Clear

Amazon

Quick edge repair anywhere Extra-fine diamond to polish and refine an edge Sharpens knives faster than conventional stones with DMT micronized monocrystalline diamond surface No oil is needed-sharpen dry or with water Durable construction will provide years of performance and reliable service, Weight: 0.03 pounds, Manufacturer: Acme United Corporation

Cazaar

The W7 Mini Diamond Whetstone can be used to sharpen, hone or file any hard material. Unbreakable, unbendable, and convenient to carry. Handy Mini Whetstone 70 x 25 x 5mm thick. No messy oils needed, sharpen dry or with water. Durable construction will provide years of consistent performance and reliable service Green Extra Fine 1200g DMTW7E

Zoro Tools

Mini Whetstone Can be used to hone and sharpen steel, ceramics, glass and tungsten carbide etc. Size: 70 x 25 x 5mm. Made with real diamond (monocrystaline). Easy to use - requires only light pressure to produce a keen edge. Uses water as a lubricant. Can be used to hone and sharpen steel, ceramics, glass, tungsten carbide, stone, etc.