This sharpener made of Diamond which durable and strong. Sharpening surface is honeycomb, so it can sharpen faster and more efficient than the oval-shaped sharpening surface. And the stripe is on the handle which can play a important role in anti-skid. Feature - Color: As shown. - Material: Diamond. - Size: 12.5x3.5x1.6cm. - DIAMAND SHARPENING STONES: The double-side small and ultra-thin diamand sharpening stones perform easy, efficient and sharpening and polish. - TWO CHOICE: Double sided diamond design for .(400 Grit as coarse sharpen, 600 Grit for fine honing). - UNIQUE PORTABLE FOLDING DESIGN: Sharpening surface is honeycomb,so it can sharpen faster and more efficient than the oval-shaped sharpening surface. Stripe is on the handle which can play a important role in anti-skid. The design of concave and convex combining on the tail end of handle prevents handle dislocation when you use it, and avoids folder your fingers. The fan-shaped and folding construction provides great protection to the stones, preventing from damage. - APPLICATION SCOPE: Due to lightweight, convenience, it fits carring around for outdoor activities perfectly .Kitchen .(Metal ,Ceramics , Scissors, Outside , Garden , and Agricultural . - Sharpening surface is honeycomb, so it can sharpen faster and more efficient than the oval-shaped sharpening surface. Package list: 1 x Sharpener