[Compatible 3D Printers]: This extruder hotend replacement kits are only compatible with Bambu Lab A1/A1 Mini FDM 3d printers, not for other 3d printer models. Please confirm your 3d printer model before ordering. [Easy To Install]: The heater block, heatbreak, hardened steel nozzles adopt modular design, eliminate the need for wiring and stripping work. So this assembled printhead hotend is very easy to install on Bambu Lab A1/A1 Mini 3D printer. [High-Quality Accessories]: Includes 2 packs assembled hotend kits, 0.4mm hardened steel nozzles: high precision nozzle, throat tube, heater block thermistor and heater cartridge for smoother printing and better 3D printed models. [Support High Speed Printing]: The semi-assembled hotend with all-metal throat design makes the print head heated evenly and the filament flows smoothly in the throat nozzle to support high speed printing, no leakage and clogging, you can easily start 3D printing experience. [Note]: Because the assembled hotend kit may be loosened during transportation, we kindly suggest you please check whether each part is tightened before use, and re-level the heat bed after installing this hot end print head kit. Description:
Materials: Stainless Steel /Hardened Steel

Printing Materials: PLA, TPU, ASA, ABS, PETG, etc.

Nozzle Size: 0.2/0.4/0.6/0.8mm

Compatible for Bambu Lab A1/A1 Mini FDM 3d printer

Include
2* Bambu Lab A1/A1 Mini hot end with hardened steel nozzle

2* 0.4mm replacement hardened steel nozzle

1* Wrench