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