1. DURABLE& SOLID: This kitchen knife sharpener is made of premium quality high-grade diamond and Ceramic grinding wheel and sturdy ABS plastic body for extra durability and extended life. It WON'T rust; It will be your kitchen companion for many years to come! 2. EFFECTIVE & VERSATILE: This knife sharpener features a unique 2 stage sharpening system with coarse & fine slots that provides precision sharpening and fine polishing of ceramic, hard steel, pocket knives, fishing knives. Sharpens them and polishes them into fine angles. 3. ERGONOMIC AND STYLISH: This user-friendly kitchen knife sharpener features a non-slip base to provide you with maximum stability and an ergonomic soft rubber grip handle for extra comfort and secure grip for effortless, precise knife sharpening experience every time. 4. RENEW YOUR DULL BLADES: With this manual knife sharpener, you no longer have to waste money buying sets of knives. Use this professional knife sharpener to re the sharpness of old, stockpiled blunt and dull knives; bring them to life and save money!