Electroplated diamond shank applies to a wide variety of outdoor knife, including high-end knives. Unique crystal diamond has the characteristics of less Harmful to the knife and high-speed sharpening. Besides, the diamond shank can be reverse scalable, then you can adapt to variable lengths Usage : General sharpening jobs, hunting, outdoor exploration, fishing, etc. The unit is lightweight, compact, and durable. This product is specially designed for the hobbyist outdoor. With unbreakable and scalable function. Electroplated diamond shank applies to a wide variety of outdoor knife, including high-end knives.< /p> Unique crystal diamond has the characteristics of less harmful to the knife and high-speed sharpening. Besides, the diamond rod can be reverse scalable, then you can adjust to varying lengths. Along with that, it has sharpening grooves for hooks and a shirt pocket clip for storage. The unit is lightweight, compact, and durable. Item Name: Diamond Sharpener Material: diamond plated carbon steel Usage: general sharpening jobs, hunting, outdoor exploration, fishing, etc. Package Contents: 1 pcs pencil sharpener Color: blue + steel Size: as shown Note: The data is all measured manually, please allow 1-3cm error , due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.