Precision Sharpening System T0931D is designed to meet the needs of travelers, sportsmen, military professionals or anyone who needs sharpening tools. It features of compact and lightweight configuration design and nylon pouch makes it the portable knife sharpening system in the world. The monocrystalline diamond of variety grits both hone and re-align the edges. And the exclusive knife clamp/angle guide provides all cutting tools with razor sharp edges. Product Features 1.Precision angle guides provides razor sharp edge. 2.Scientifically formulated honing oil. 3.Ergonomic sharpening handle protects the finger tips. 4.Nylon pouch provides easy storage and accessibility.