Abrasive wool flap disc is made of high quality wool, soft and environmentally friendly natural material without scratching the surface when polishing Design for automotive work on stainless steel, aluminum, non-ferrous metals and stone Experience quick and easy polishing with the durable, long-lasting collapsible disc Made from 7/8″ arbor, it fits most angle grinder models Achieve a high gloss or reflective finish easily with the Wool Felt Flap Disc