Features: Suitable for cleaning operation and removal of peeling filaments dirts Can effectively remove consumable filaments remaining in the nozzle for multiple machines, simple and convenient to use. suitable for: 3D printer nozzle heating block, hotend cleaning tool, hot bed parts for Ender3 3pro 3max 3V2 CR6SE CR10 3D printers and so on,effectively improves work efficiency Specifications: Item: Nozzles Cleaning Brush Brush Material: Copper + Plastic Brush Size: approx 4x1.25x1.95cm、1.57x0.49x0.77in Applicable Models:3D Printers Nozzles Block Hotend Toothbrush Usage: Nozzle Decontamination, Dust Removal And Impurity Removal Package Includes: 1PC Brush note: The brush for head of the product is copper wire, and the copper is relatively soft and easily deformed. Therefore, the brush for head may be deformed or warped during transportation. Please remember that this does not affect the use. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!