The Whetstone Knife Sharpener is an angle guided, dual-grit sharpening water stone for knives and fine edge tools. Premium 1000 grit and 6000 grit aluminium oxide sharpening stone creates incredibly keen edges. Sharpening base provides a stable platform and increased water control for less mess and faster clean up. Angle guides create precision and consistency to maintain an edge making sharpening faster and easier. Sharpening guides are interchangeable from 15° and 17° and optional to use.