- WMF Gourmet Knife Sharpener with two-level ceramic discs: coarse for pre-sharpening and fine for polishing - Compatible with straight-edge knives, not suitable for serrated, saw, or curved blades - Easy to use: run the knife perpendicularly through both slots, first through the coarse disc and then the fine one - Knife guide for safe handling, allows sharpening in both directions (forward and backward) - Ergonomic and compact design in black, easy to store and handle - Made with high-quality materials for long-lasting durability - Dimensions: 25 cm long, 9 cm wide, 6.8 cm high; approximate weight 0.33 kg - Ideal for keeping knife edges in optimal condition in any kitchen