Made of plastic and stainless steel, eco-friendly, durable and can be used for a long time. Practical Kitchen Accessories: It will make your cutting equipment sharper. Non-toxic and safe. Small size, sleek and portable.Tungsten carbide three or four stroke will restore your blade. Ceramic sharpener, a serrated sharpener design that can finish edge polishing in three or four strokes, even the smallest serrations can enterIt is very suitable for general sharpening operations, the hunting, outdoor adventure, fishing, etc. It is also very suitable for cutting knives, serrated blades and scissors with a foldable design, very compact and lightweight.Reduces knife damage and has fast grinding speed. The lanyard hole is easy to carry and lighter. Specially designed for outdoor enthusiasts.The electroplated diamond rods are suitable for various high-end outdoor knives, including serrated knives. Specially shaped ceramic grooves can cut edges and grind serrated blades Color:Black Mini Portable Kitchen Knife Sharpener Kitchen Tool Accessories Outdoor Camping Knife Sharpener The whetstone is made of materials that are non-toxic and harmless to the environment. It is durable and can be used for a long time. The whetstone is easy to carry, you can easily carry when camping or other outdoor activities Function Color: Shown as picture. How to use Insert the blade into the V-shaped slot at a 90 degree angle to the sharpened blade or stone. Apply light pressure and pull the blade towards you. Always hold the device with the club facing down. Place the root of the blade on the diamond rod closest to the device. Keep the blade at a 23 degree angle to the shank. While applying light pressure, pull the knife away from the end of the rod. Pull the knife down to free the tip of the blade from the end of the shank. Repeat this until the blade becomes sharp. The side of the blade can only be sharpened with serrations. Hold the shank and blade at a 23 degree angle and move them back and forth in each tooth until sharp. Note: Data is manual measurement, please allow 1-188cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.