Fit for both the exterior and interior walls One piece, 230 mm (9"). 7 mm roller cover Three pieces, 230mm (9"). 12 mm roller cover One piece, 230 mm (9"). 18 mm roller cover One piece, 230 mm (9"). bracket for cylinder brushes One piece, 25 mm (1") distinctive paintbrush design One piece An original paint tray design Size of paint tray: 435*300*75 mm enclosed in a shrink