Please note: There may be slight color difference or discrepancy in actual product, which does not affect use, please don't mind, thank you! [Quality]for K2 Plus Nozzles Kit. integrated nozzle design. Package contains nozzles 0.4mm x 2, 0.6mm x 1, 0.8mm x 1, sufficient quantity, easy to change in time to meet different printing needs. Note: Only suitable for K2 Plus [Quick-Swap]The 3D Printer nozzle adopts all-metal integrated design, which is quick to assemble and easy to replace, saving time and labor. When replacing nozzle, you can add thermal grease that comes with package, which is used to fill in small thermal gaps and improve efficiency of thermal conduction [Precision Craftsmanship]Connections are tightly fitted, effectively preventing filament leakage. Smooth inner wall for smooth filament feeding. No burrs at aperture, stable printing, not easy to block material. Advanced processing technology makes printing model more smooth and delicate Color: As Shown Material: Chromium zirconium copper and titanium alloy and hardened steel Package Contents: 4 x One-piece bimetal nozzle Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is 1-3cm.