Set of 9: Pack of WC replacement heads in different colours - Select colour to suit style For replacing: Always have a clean brush head available - For a more hygienic toilet brush and bowl Quick: Just remove the used brush-head and screw the new one on - Toilet brush-head D: app. 7 cm Matching: The replacement pack is suitable for all standard toilet brushes with a 12 mm inner thread Cleanliness: Replace WC accessory regularly - Great if you have more toilets in the home or business