Smith's Consumer Products 4" Diamond Sharpening Stone with Cover - 50363

This 4-inch diamond sharpening stone features multiple layers of micron-sized monocrystalline diamonds bonded in nickel to a flat metal surface for fine sharpening. The stone mounts on a plastic base and includes a plastic lid that doubles as an extension piece to safely elevate the base during use. Designed for knife blade maintenance and sharpening.