... years experience sandpaper velcro disc for drywall ,ceiling , gesso wall, plaster board. Item No: H322 Size :225mm Abrasive: Aluminium oxide Application ... : drywall, ceiling , plaster board, gesso wall...WE HAVE 10 YEARS EXPERIENCE IN VELCRO ... DISC.. multi-holes velcro sandpaper disc for drywall, gesso wall, plaster wall