• 【20pcs Abrasive Flap Wheel Brushes】-10 types 6mm Pen Grain 80 Sanding Accessory. Diameter 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 80mm. • 【Good abrasion resistance】 The flap wheel sander is made of carbide sandpaper, uniform and complete sand, the sanding is sharp and high strength, it has good abrasion resistance. • 【Application】 Soak in hot water at 60°C for 3-5 minutes before use. Let the wheel absorb the water completely, it will reduce a lot of dust when using, the sanding line will not break. This extends the life of the wheel, reducing your usage costs. • 【High quality materials】 Due to the flexibility of the abrasive, the brush pins adapt optimally to the contour of the surface and prevent grinding through the edges. Especially for grinding metal and wood on flat and curved surfaces, profiles, edges, corners, tubes and round bodies. • 【Compatible with power tools】 80 grain grinding accessory for power tools, Ø6mm handle diameter Can be equipped with straight grinder, pneumatic tool, hand drill.