The ultimate compact 2-stage sharpener for outdoor and kitchen knives with coarse-carbide for reshaping the blade and fine-ceramic rods for finishing. This sharpener features an innovative X-Base that pivots open for rock-solid stability during a sharpening session and folds down flat for storage. CARBIDE (Coarse) - Removes metal quickly to reshape a dull edge (44o angle/22o per side). CERAMIC (Fine) - For finishing the edge and fine tuning knives after each use.