1. Double-sided diamond grinding ensures even sharpening on both sides of the blade 2. Dual 15°/20° angle support for convenience and practicality 3. Magnetic base incorporates four N42 super magnets to securely hold your knife in place 4. Durable construction for reliable, hassle-free use 5. Polishes your knives and maintains long-lasting sharpness 6. Materials: diamond, wood
