Kit Contents This 3d Printer Nozzle Hot End Kit Contains: Hot End, Nozzle, Heat Sink Block, Throat, Silicone Sleeve, 2 Wrenches. Compatible Bambu Lab A1/A1 Mini,This Is An Upgraded Version, Upgraded From The Original.The Original A1 Hot End Extrusion Head Does Not Have Replaceable Nozzles.
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