Descriptions:Made of nylon bristles, sides of bristles act as flexible files to all kinds of holes, grooves, and corners.Great tool for removing rust and paint from flat surfaces, lightly sanding wood, and preparing metal or wood for painting.Suitable for woodworking, mahogany furniture, three plywood surface finishing, the purpose of complex furniture wood grain processing, concave and convex surface grinding operations.Specifications:Color: GrayGranularity: 1000/600 GritsWheel Material: NylonBacking Material: Nickel Plated Carbon SteelWheel Diameter: 80mm/3.15-inchWheel Thickness(Approx.): 35mm/1.38-inchShank Size : 6 x 65mm / 0.24 x 2.56-inch (D*L)Thread Size: M8 x 24mm / 0.31 x 0.94-inchPackage Content: 1 x 600 Grits Nylon Wire Brush1 x 1000 Grits Nylon Wire Brush