Ender 3 V3 SE/KE X & Y Axis Linear Rail Upgrade Kit MGN9H 300mm Guide Rail CNC Aluminum Bracket for Ender 3 V3 SE 3D Printer

Only Y-axis support Ender 3 V3 KE, X-axis doesn't supportKey Features:High‑Precision Linear GuidewayThe MGN9H guide rail meets precision class P3–P7, delivering a repeated positioning accuracy of 0.01 mm. Perfect for high‑speed printing without losing detail.Selected High‑Quality Aluminum AlloyMade from durable, wear‑resistant aluminum. The surface is smoothly cut without burrs, offering strong load‑bearing capacity and long‑lasting performance.Four Core CraftsExquisite workmanship and precise machining ensure high load capacity, smooth sliding, and consistent operation.Dust‑Proof & Mute DesignElaborate sealing provides excellent dust protection. The sliding is ultra‑smooth, and noise is minimized even during high‑speed printing.Non‑Destructive InstallationUses the original hole positions – no drilling or permanent modification required. Easy to install and fully reversible.Longer Service LifeThe combination of silencing lubrication and tough, wear‑resistant materials extends the life of your 3D printer.