The Work Sharp Benchtop Whetstone is an Angle Guided, Dual-Grit sharpening water stone for knives and fine edge tools. Premium 1000 grit and 6000 grit aluminum oxide sharpening stone creates incredibly keen edges. Use 1000 grit to sharpen and restore an edge, then 6000 to create a highly refined edge and surface finish. Water stone is fast cutting, long lasting and creates a slurry when sharpening. Sharpening base provides a stable platform and increased water control for less mess and faster clean up. Anti-skid feet ensure a safe and stable process. Angle Guides create precision and consistency to maintain an edge making sharpening faster and easier. Sharpening Guides are interchangeable from 15 degree or 17 degree and optional to use, additional 20 degree and 25 degree Sharpening Guides Sold Separately. Sharpens kitchen knives of all types and can also be used on pocket and outdoor knives. Professional level whetstone knife sharpening made easy. Angle Guides and Water Control Base provide precision, consistency and a cleaner, superior sharpening experience than other water based sharpening systems.