Features: 100% brand new and high quality Available models tested: ender-3, ender-3 pro, ender-3 max, ender-3 V2, CR6SE, CR10S Features: A set of prints is compatible with multiple machines, simple and convenient to install Can effectively remove consumable filaments remaining in the nozzle Operation method: Break through the limitation of the machine stroke by modifying the slice software script. Points to note: Different machines need to modify the limit distance of the X axis and the height of the Z axis when inserting the nozzle. Package Includes: 1 Set x Brush with Screws ( Does't include Black Printing Model) Specifications: Item: Nozzles Cleaning Brush Brush Material:Copper Brush Length: approx 35mm/1.38in Item Size: approx 40x12.5x19.5mm/1.57x0.49x0.77in Applicable Models: Ender-3, Ender-3 Pro, Ender-3 Max, Ender-3 V2, Cr6se, Cr10s Printers Usage: Nozzle Decontamination, Dust Removal And Impurity Removal Take Ender-3 as an example, add the following code before the slice start script: M211 S0; disable travel limits G28; home all axes G1 Z2 F2000; go down G1 Y2 F9000 G1 X245 G1 X230 F3000 G1 X245 G1 X230 G1 X245 M211 S1; enable travel limits G1 X30 Y2 F9000; go to front G1 Z0.2 F3000; get ready to prime G92 E0; reset extension distance G1 X105 E15 F600; draw prime line G92 E0; reset extension distance G1 X145 F5000; quick wipe note: Please allow 0-1cm 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