Feature: 1. Applicable Model: This silicone brush is suitable for Bambu Lab A1 3D printer, easily removing filament buildup on the nozzle, reducing printing problems caused by nozzle clogging, and extending its service life 2. Silicone Material: These nozzle brushes are made of silicone, which is soft and flexible, and will not damage the nozzle during cleaning, significantly reducing wear, ensuring a reduced possibility of printing defects 3. For Nozzle Maintenance: These silicone brushes make nozzle maintenance easy, keeping your 3D printer running smoothly. Their efficient cleaning function helps reduce errors and enjoy uninterrupted printing 4. Hotbed Mounting: This silicone nozzle brush features a hotbed mounting design, providing stable placement and preventing brush movement during nozzle cleaning, ensuring accurate and efficient maintenance 5. Compact and Practical: Provide 3 pieces silicone nozzle brushes, with a size of 37x8mm, compact and lightweight, convenient to use and store, easy to remove filament buildup on the nozzle, efficient and reusable Specification: Item Type: Nozzle Brush Product Material: Silicone Size: Approx. 37 x 8mm / 1.5 x 0.3in Application: For Bambu Lab A1 3D Printer . Package List: 3 x Silicone Brush