Lightweight, foldable knife sharpener designed for portability and fast, effective sharpening. Key benefits Portable and travelready: lightweight and foldable for easy carrying during outdoor activities or everyday use. Compacts for storage: closed length 12.5 cm, unfolded length about 23 cm — small enough for a pocket, pack, or kitchen drawer. Fast sharpening performance: sharpens more quickly than a traditional sharpening stone, improving polishing efficiency and restoring blade edge fast. Simple to use: straightforward operation lets you sharpen blades without complex setup or techniques. What it does and how it helps Restores cutting performance: quickly reestablishes a sharp edge so knives cut safely and cleanly. Saves time: faster sharpening reduces time spent maintaining tools compared with conventional stones. Convenient for field and home: the foldable form factor makes it practical to carry and use wherever you need a sharp blade. Specifications Closed length: 12.5 cm Unfolded length: about 23 cm Function: manual knife sharpening and polishing, faster than a traditional sharpening stone Design: lightweight, foldable for portability Use scenarios Outdoor use: keep it in your pack for camping or hiking to maintain knife performance while away from home. Fishing and hunting: quickly sharpen hooks and blades onsite for reliable cutting and processing. Home and kitchen: handy for quick touchups between thorough sharpenings to keep kitchen knives performing well. Notes Intended for manual sharpening of knives and blades; designed to improve polishing efficiency and speed compared with traditional sharpening stones.