4-Pack H2D extruder Hotend Assemblies - 0.2/0.4/0.6/0.8mm Hardened Steel Nozzles, Quick Swap Replacement for Bambu Lab H2D/A1/A1 Mini 3D Printers

["4 Full Hotend Assemblies with Pre-Installed Nozzles: package included: 4 pack 0.2/0.4/0.6/0.8mm extruder hot end kits, each pre-equipped with hardened steel nozzles in 0.2mm, 0.4mm, 0.6mm, and 0.8mm sizes for instant size switching.","Quick-Swap Design for Effortless Replacement: Simply unlock the latch to swap entire hotends in seconds – no nozzle disassembly tools required. Compatible with Bambu Lab’s dual-nozzle same-size function.","Durable Hardened Steel Construction: Heat sink and nozzle made of wear-resistant hardened steel (not brass), ensuring longevity with abrasive filaments like carbon fiber or glow-in-the-dark.","Plug-and-Play Compatibility: Direct replacement for Bambu Lab H2D, H2D Laser, A1, and A1 Mini printers. Note: Nozzle threads are unique – third-party nozzles may not fit.","Safety First: Cool Before Swapping: Always ensure the hotend is cooled down before replacement. Avoid touching the heat block (lower section) to prevent burns. Includes two wrenches for nozzle maintenance."]