Diamond Coated Half Round File : Offers both rounded and flat surfaces for versatile sharpening, capable of handling various materials with ease. Retractable & Portable : The retractable feature adds safety and convenience, while the pen shape makes it a perfect travel companion. High-Quality : Constructed with embedded diamond grit, ensuring long-lasting performance and superior results. Portable Pen Shape : Compact and easy to carry, it fits neatly in your pocket or tool kit, ready for any sharpening task. Multi-Purpose : From kitchen knives to outdoor tools, this sharpener is your go-to solution for maintaining sharp edges on the go. Discover the Diamond Coated Half Round File, a must-have for those who demand precision and convenience. Whether you're prepping for a hunt or just need to touch up your kitchen utensils, this sharpener delivers a sharp edge in a flash.