Handy Brush Angled Channel Brush Features: The tip of the metal fitting is bent, making it suitable for cleaning small areas and intricate places. Uses: Used for rust removal, paint stripping, polishing, or removing dirt from metal before welding. Material: The bristles are made of nylon (PP: polypropylene), which is durable and can be washed with water. Unused and stored at home for a long time. There are some discoloration, scratches, and bent bristles due to storage.