_x000D_ These sanding discs have a special sharp, durable alumina grain that gives you a fast and exceptionally long-lasting polishing. Durable alumina, combined with urea resin over glue bonds create a high performance sandpaper. Sanding discs are cleanly with 8 holes for uniform dust extraction through the pad without creating unwanted swirl marks or scratches on the work surface. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Features: _x000D_ Made of alumina, strong polishing force, high wear-resisting degree and cost performance. _x000D_ Can work with polishing sticky backing pad, simple and easy to use. _x000D_ Professional, safety, high efficiency and low consumption. _x000D_ Improved abrasion performance, abrasive will not easily fall off. _x000D_ Used in furniture, hardware and automobile repairing. For surface polishing of iron, paint, electronics, wood furniture and many kinds of solid wood plank. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Materiel: Alumina _x000D_ Size: 125mm / 4.92"_x000D_ Thickness: 0.05mm / 0.002"_x000D_ Color: Red _x000D_ Number of Holes: 8 holes _x000D_ Granularity: 60#, 80#, 100#, 120#, 150#, 180#, 240#, 320#, 800#, 1000#(optional) _x000D_ Quantity: 10pcs per bag _x000D_ _x000D_ _x000D_ How to Use:_x000D_ 1.Sanding papers coated with alumina bound with synthetic resin are the perfect choice for working of all wood, wood-based materials, and metal, from coarse sanding to fine sanding._x000D_ 2.60 grain are used for coarse sanding of rough surfaces, 80-120 grain are suitable for surface smoothening and sanding of small roughness, 180-1000 grain are good for final fine sanding. _x000D_ _x000D_ _x000D_ Package Includes:_x000D_ 10pcs x Sanding Discs _x000D_ _x000D_ Note:_x000D_ 1, Need to add sandpaper glued to the sticky adhesive disc to disc fixed polished._x000D_ 2, Use an electric drill still need to add converter. _x000D_ 3, Please allow 1-3mm error due to manual measurement. Thanks for your understanding._x000D_ 4, Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.