Features HIGH PERFORMANCE These flap sanding discs are characterized by strong elasticity, high tensile and bending strength, fast grinding speed, good heat dissipation and low noise when grinding. IMPROVE EFFICIENCY The design of the flap washer greatly improves overall wear resistance and grinding efficiency, extending the service life. Scope of application: these flap discs are suitable for polishing stainless steel, metal, metallurgy, automotive, wood, marble, etc. Reasonable Design The binding angle between each sanding cloth and the pallet level is 10 to 30 degrees, which makes the grinding wheel achieve a good cutting angle. 10 PIECE SET This set includes 10 sanding cloth discs with an outer diameter of 115mm and an inner diameter of 22mm. Specification: Item Type: Slat Washer Material: 51 sanding cloths. Use: abrasive cloth disc. Size: Outer diameter: approx. 115 mm / 4.5 inches. Inner diameter: approx. 22 mm. Grit: 80 grit. Speed: 12500 rpm, top speed 13300 rpm. Application Applicable to grinding and polishing stainless steel, metal, metallurgy, automotive, wood, marble, etc. Package list: 10 x serrated washers. Package List 10 x Flap Disc