Features: 1. Nozzle cleaning brush, suitable for cleaning, rust removal, also for door and window frame, floor gap cleaning. 2. The cross key is designed with four size ports, which is very convenient. 3. Small size, easy to carry and store, convenient to use and good performance. 4. Includes multifunction key, suitable for E3D / MK8 / MK10 / M2000. This product has very diverse functions. 5. Complete tools, you can operate them yourself, suitable for DIY enthusiasts. Description: It is suitable for cleaning, rust removal, also for door and window frame, floor gap cleaning. Specifications: Item Type: 3D Printer Cleaning Tool Set Cleaning brush nozzle: Size: about 176x8x20mm / 6.9x0.3 x 0.8in Wire Brush Material: Copper Wire + Plastic PRODUCT USE: Nozzle Cleaning / Rust Removal / Gap Cleaning Mini Cross Socket: Specifications: Suitable for M2, M2.5, M3, M4 nuts. Multi- function wrench: Size: about 5.7mm / 0.2in 7.2mm / 0.3in 8.2mm / 0.3in 9.2mm / 0.4in 20.2mm / 0.8in Suitable for E3D / MK8 / MK10 / M2000 Material: steel Package Included: 1 x Multi-Function key 1 x Mini Cross Power Socket 1 x brush Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.