Double-sided Knife Sharpener External Grinder Sharpening Tool Portable Folded Pocket Camping Safety KitFeatures:1. Fold the sharpener to reduce the risk of edge damage.2. The rough surface is more effective than water stone.3. Light weight, compact storage, convenient portability, and easy use.4. Widely used in outdoor knives, shears, garden tools, etc.5. Two sides: coarse sand (360-400 mesh) and fine sand (600 mesh)Specification:Size:Closed: 12.5*3.5*1.6cm Unfolded Length: 23cm Material: Plastic Packing: OPP bag Weight:1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-2cm measurement deviation due to manual measurement.3. 360-400 mesh can be used for cutting edges, or the thickness of very dull blades can be quickly diluted, and 600 mesh can be used for sharpening and blade setting. 98% of the sharpening work can be done with 600 mesh grindstone.1 X Foldable for Sharpening