for K2 Plus nozzle kit, the latest integrated nozzle design, with 0.2mm 0.4mm 0.6mm sizes to choose from, convenient to change in time to meet different printing needs! All-metal integrated design - The nozzle and heat break adopts an all-metal integrated design,facilitating quick disassembly and convenient replacement Precision Craftsmanship: Smooth inner walls, no blockage lnner hole roughness Ra Less than 0.4,ensuring smooth filament feeding; Tightly fit joints effectively preventfilament leakage during printing. Suitable for printing a variety of filaments: The nozzle is composed of copper alloy and hardened steel, supporting the printing of filaments such as PLA ABS PETG TPU PP PC PLA- PA- PET-. This nozzle kit is perfectly design for K2 Plus 3D printer. Color: As Shown Material: Metal Package Contents: 3 x nozzle 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.