abrasive flap disc, which is designed for use on an angle grinder to grind, blend, and finish metal, wood, or other surfaces.OverviewType: Abrasive flap disc (composed of overlapping abrasive cloth flaps adhered to a fiberglass backing plate).Common Uses: Grinding welds, smoothing rough edges, removing rust or paint, and surface blending.Compatibility: Attaches to standard power angle grinders.