Compatible products: These nozzle kits are compatible with Creality K1, K1 Max, Ender 3 V3 KE, CR-M4, CR-10 SE 3D printer, please confirm your 3D printer model before ordering<br> Ultra -durable hardening steel: These nozzles are made of high -quality hardening steel, which has longer life than brass nozzles.During the printing process, it is not easy to block and easy to clean.Use the careful CNC precision automatic lathes and one -time molding technology to ensure the input and output holes.<br> Print perfect: This nozzle design is accurate, which is the epitome of details, which can achieve unparalleled control and accuracy.From complex prototypes to complex design, it ensures that each layer is perfectly reproduced, and the true degree<br> Better compatibility and applicability: Suitable for most FDM printing materials, such as 1.75mm PLA, ABS, PETG, TPE, TPU, PC, etc.<br> You will get: These nozzle kits include 5 0.4 mm hardening steel nozzles, 5 0.4 mm nozzle cleaning needles, 1 arc -shaped mules<br> Colour:As Shown<br> Material:Plastic Coated Steel<br> Package Contents:<br> 1 set x k1 max kit<br> Only the above package content, other products are not included.<br> 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.