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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
with 1 MGN 9H slider
X-axis upgrade kit suitable for Neptune 3 MAX
while keeping other parts the same as the original machine
and new Y-axis upgrade kit for Ender 3 S1 Pro
one sets of 林邓 
Anti-Drop Kit with 1 MGN 9H sliderApplicable Scope: This product is designed for machines (including Neptune 3 Plus, Neptune 3 MAX, Neptune 4 Pro, Neptune 4 Plus, and Neptune 4 MAX) that have already been upgraded with a dual Z axis synchronous belt. It is not compatible with stock (original) machines. Design Background: After installing a dual Z axis synchronous belt, when the machine is powered off or loses power, the X axis may slowly descend due to gravity until the nozzle presses
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