20 Pieces Flap Disc - 10 Types of Pin Grit 6 mm 80 Grit Grinding Accessories. Diameters 15 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, 60 mm, 80 mm. Diameter grinder blades for light deburring work, removal of tarnish, stains and oxidation, oxides on weld beads. Grinding disc with fan are exclusively made in China. Made of high-quality abrasive cloth on a thick cotton fabric backing. This gives them durability, superior performance and greater flexibility. Grinding brush for portable drills. Such as a drill, a cordless screwdriver, a die grinder. Thanks to; Flexibility: The addition of the abrasive allows the brush tips to adapt perfectly to the contours of the surface, preventing the edges from being worn down. Specifically designed for sanding metal and wood on flat and curved surfaces.