Smith's Diamond Retractable Sharpener

Key details: REVERSIBLE ROD; Smith's Diamond Retractable Sharpener features a tapered diamond-coated rod to sharpen serrations and a half-round diamond-coated rod to sharpen straight edges.; DIAMOND-COATED; This writing pen-size sharpener uses an unbreakable diamond-coated steel rod to sharpen single or double-bevel pocket, sport, or tactical knives quickly and effectively.; SHARPENING GROOVES; This sharpening rod includes a sharpening groove for fishing hooks and is coated with multiple layers of micron-sized, monocrystalline diamonds.