DMT (Diamond Machining Technology) 4-in. Portable Diamond Whetstone Bench Stone, Extra Fine Grit Sharpener (W4E), One Size

Crafted from the highest quality materials, Built for performance and durability, Made in United States, Leather sheath provides each access and portability, Extra-Fine diamond to polish and refine an edge, Sharpens knives faster than conventional stones with DMT's monocrystalline diamond surface, No oil is needed-sharpen dry or with water, Durable construction will provide years of consistent performance and reliable service