Upgraded Material, Multiple Orifice Options: The heat break is made of titanium alloy, which can effectively reduce heat conduction. Ender 3 V3 SE nozzle is made of copper alloy and hardened steel bimetallic material, high thermal conductivity, high hardness, better performance. Support PLA, ABS, PETG, TPU, PP, PC, PLA-CF, PA-CF, PET-CF multiple filaments printing