Sanding discs perforated on the entire surface with velour for dust-free grinding Designed for plastering mortars, e g smooths, gypsumos, thin layer plasters. • disperse dust through the entire surface without clogging effect• high abrasive efficiency• 4 x higher strength and flexibility• rounded sanding edges effectively reduce the number of scratches• high bonding performance• 3 pcs per pack• grain size: P 60