JoolTool 3M Scotch-Brite White Radial Bristle Brush Assembled with Plastic Tapered Mandrel Hub, 6 Ply, 3" Diameter, Grit 120 Use on metal: removes light rust, removes medium scratches, deburrs, texturizes Use on wood: lightly sands wood carvings, smoothens wood texture The perfect alternative to wire brushes They require minimal pressure and easily conform to tight areas, crevices and contoured parts Size: 3" diameter