2 PCS Double Sided Sharpening Stone Fast Sharpening Tool Household Sharpening Oilstone Outdoor Sharpener (7.5x2.5cm Round)

1. Ultra thin size, easy to carry outdoors
2. Weight: 200g or 50g
3. Size: round 7.5cmx2.5cm, square 10x4cm
4. Material: alumina (round) silicon carbide (square)
5. Thickness: 120 mesh/240 mesh (front and back) or 150 mesh