The Work Sharp Kitchen Edge Knife Sharpener is a fast, easy, and effective way to sharpen your kitchen knives. Convex Carbides quickly restore a sharp edge, while the Ceramic Wheels hone the edge back to a factory level of sharpness. The contoured base feature allows the sharpener to be used flat on your countertop or securely on the edge to provide two levels of sharpening control. The soft rubber grip and base provide a safe and comfortable sharpening experience. Compact size easily fits into your kitchen drawer.