Features: Application: General sharpening work, hunting, outdoor exploration, fishing, etc. Brand new and high quality Safety for Blade: This pen shape Blade sharpener uses an unbreakable fine diamond-coated steel rod composed and the grinding layer is fine and smooth, which greatly prolongs the service life of the Blade. Save time: Time and energy saving with quick sharpen. Suitable for fishing hooks, serrations and the gut hook: sharpening rod have a specially designed groove for fishing hooks, the conical part of the grinding rod design for serrations and gut hooks. Suitable for variety of Blade: half-round and flat surface of the sharpening steel for standard Blade edges. Specifications: Type: Diamond Pen Sharpener Material: Diamond Color: Red, Blue(optional) Length: approx. 130mm Note: Please allow minor deviation due to manual measurement. Due to the difference between different monitors in each computer, the picture may not reflect the actual color of the item. Package includes: 1 x Diamond Pen Sharpener