YOOPAI Hotend Kit for Bambu Lab A1/A1 mini, Upgraded 0.4mm Hardened Steel Nozzle with 1 Silicone Cover Sock - 1 Pcs

【Wide Compatibility】Designed exclusively for Bambu Lab A1 and A1 mini 3D printers, this hotend kit includes a 0.4mm hardened steel nozzle, plus a High-Temp silicone cover for enhanced thermal protection and stability. 【Essential Replacement Kit】Includes 1 High-Performance YOOPAI hotend, 1 silicone sock, and a tool set-perfect for quick replacements, maintenance, or upgrades to your original extruder system. 【Fast & Secure Installation】Magnetic quick-change design allows for fast, tool-free installation. Built-in alignment ensures a stable fit and reliable extrusion every time. 【Durable Copper Heater Block】The chrome-plated copper heater block offers excellent heat conductivity, abrasion resistance, and a smooth inner channel to reduce clogging and ensure consistent filament flow. 【High-Temp Hardened Steel Nozzle】Made with premium SKD11 hardened steel, the nozzle supports temperatures up to 500°C, making it ideal for abrasive or high-temp filaments with precise, long-lasting performance.