abrasive brushes - aluminium oxideMatting brushes made of alumina with round grain for fine satining and matting of metals. Also suitable for freshening, cleaning old metals, as well as for processing after pickling. Products nameVersiongrain sizedimensionsitem No.flap wheelalumina280 (fine)100 x 30 mm507071flap wheelalumina180 (medium)100 x 30 mm507070flap wheelalumina100 (coarse)100 x 30 mm507069