1. Model: Grinding disc 2. Name: Grinding disc sandpaper 3. Surface: Frosted surface 4. Granularity: - A granularity number of 0.3 corresponds to 12000 mesh. - Light - green, with a granularity number of 1 corresponding to 10000 mesh. - Pink, with a granularity number of 3, approximately 8000 mesh. - Brown, with a granularity number of 5 corresponding to 6000 mesh. - Blue, with a granularity number of 9 corresponding to 4000 mesh. - Yellow, with a granularity number of 12 corresponding to 2000 mesh. - Green, with a granularity number of 30 corresponding to 1500 mesh. 5. Application fields: - Non - ferrous metal processing - Shipbuilding industry - High - end furniture manufacturing - Fine polishing - Automobile maintenance These micro - fine grinding discs are developed for industrial applications and can be used for surface grinding or polishing of objects. This fast - cutting and waterproof abrasive can provide surface treatment with precise tolerance and is available in a variety of precise granularities to meet grinding or polishing needs. They can be wrapped around special - shaped rods to sharpen carving tools and can sharpen the edges of various blades. In addition, they can also be used for fine polishing of jewelry or gemstones. 6. Color: White, light - green, pink, brown, blue, yellow, medium - green 7. Material: Plastic 8. Size: 220×280 mm 9. Package contents: 7 pieces of polishing sandpaper Only the above package contents are included, and other items are not included. Note: Light and different displays may cause slight differences between the color of the item and the actual object. The allowable error for the size is ±1 - 3 cm.