This for K2 Plus/Hi Combo Nozzles Kit features an integrated design with a variety of sizes (0.2mm x 1,0.4mm x 1, 0.6mm x 1, 0.8mm x 1) to cater to different printing demands. Note: Exclusively compatible with K2 Plus. Effortless Installation: Featuring an all-metal integrated structure, our nozzles a quick-swap setup. The kit includes thermal grease to enhance thermal conduction efficiency, simplifying maintenance and saving both time and effort. Enhanced Material Design: The nozzle chamber of the for Hi Combo is optimized for a higher flow rate, which accelerates print speed. Constructed from a copper alloy and hardened steel, it uniformly distributes heat and extends lifespan by up to six times. Precision Engineered: Each nozzle is meticulously crafted to prevent filament leakage with a smooth inner wall that facilitates consistent filament feeding. The advanced manufacturing process ensures a smooth, detailed finish in your 3D prints. Color: As Shown Material: Hardening steel Package Contents: 4PCS Nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.