High-quality materialsThe diamond knife sharpener is made of high-quality diamond material and aluminum alloy, which has excellent wear resistance, corrosion resistance, high temperature resistance, high strength and impact resistance, and can be used for a long time. Ergonomic designThe serrated diamond knife sharpener is comfortable to hold and ergonomically designed. You will not feel tired when sharpening the knife and the sharpening needle will not slip easily. Easy to useThe knife sharpener can be flipped and retracted. This can then be adjusted to different pen lengths. The grinding layer is fine and smooth, which can polish the tool very well and extend the service life of the tool. Easy to CarryThe portable sharpener is designed like a pen and comes with a shirt pocket clip for easy storage. Suitable for outdoor camping, hunting, and fishing. Wide ApplicationVery suitable for sharpening repair knives, serrated blades, scissors, large kitchen knives, small kitchen knives, etc. The semicircular surface has grooves for sharpening hooks, needles, etc. Blue, 124*14mm.