Our nozzle is made of high-quality hardened steel, which has the characteristics of high temperature resistance of 500 ℃, high hardness and wear resistance. Moreover, our 3D extruder nozzle kit is suitable for most FDM printing materials, including PLA, ABS, PETG, TPE, TPU, PC, etc., and is compatible with Anycubic Kobra 3 3D printer