The Diamond Whetstone that travels with you.

Features:

• Fast - Real diamond reduces sharpening time.
• Easy - Light pressure produces keen edge with few strokes.
• Clean - Non-porous surface resists loading and wipes clean. Use only water for lubrication.
• Durable - Tough monocrystalline diamond resists wear.
• Versatile - Hones any hard material - tungsten carbide, HSS, steel, ceramic, glass, stone, etc.