Feature:Eco-Friendly 1. Name: Sharpener 2. Material: Gold steel sand 3. Color: Random 4. Packaging: OPP bag 5. Size: 3.5cm high and 4cm wide 6. Method of use: Put the knife to be sharpened in the groove, and roll the wheel on the ground a few times to sharpen 7. Features: Exquisite and compact, easy to carry, can be sharpened anytime, anywhere and durable