Features: Silicone brush 3D Printer Nozzle Cleaning tool that will not scratch the nozzle. Easy to use, highly reusable Silicone component, soft and not harm the surfaces of the nozzle. Simple to operate: lightweighted and flexible, easy to maneuver, making the cleaning process more convenient. Thorough cleaning: the slender design can reach into the details of the nozzle ensures that cleaned thoroughly. Specifications: Item:3D Printer Nozzle Cleaning Brush for 3D Printer Optional Size：As Pictures Package Includes: 3D Printer nNozzle Cleaning Brush Note: Due to the problemsof lighting effect there will be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement