- Diamond whetstone core with a honeycomb sharpening surface and a lightweight ABS handle for comfort. The honeycomb design sharpens garden implements faster than conventional stones. - Double-sided diamond stone with a 400 grit coarse side for quick edge setting and a 600 grit extra fine side for honing. No oil is needed; sharpen dry or with water. - Pocket knife sharpener is lightweight and compact for easy carrying during outdoor activities. Fan-shaped folding construction protects the stones and prevents damage; folds to fit in a pocket or tool bag for convenient storage. - Portable and versatile. Suitable for outdoor activities including camping, gardening, kitchen prep, sports, or industrial use. - Practical use scenarios: - In the garden: sharpen pruning shears, garden knives, and hoes for cleaner cuts with less effort. - At the campsite or on the go: maintain camp knives, multitools, and utility blades. - In the kitchen or workshop: quickly touch up everyday knives with minimal setup.