X Axis Linear Guide Rail Kit For Elegoo Neptune 4 3 Pro 3D Printer

From the shop's description

Advantage New Upgrade X Axis Linear Guide Rail Kit For Elegoo Neptune 4/ 3/ 3 Pro, Repalce Original Slide Carriage, 1. Wear resistant, with extremely low wear and tear, adhering to the original. 2. Smooth operation and more accurate printing. 3. Easy cleaning and maintenance. 4. More suitable for high-speed printing