Y Axis Linear Rail Guide Kit MGN12H 300mm For Ender 3 V2 And Ender 3 Pro 3D Printer Dual Rails Upgrade With Stable Motion Fast Install Smooth Moves Precise Prints 300mm Rails Required

Dual 300mm MGN12H Y-Axis Rails for Ender 3 Upgrade
✔️ Dual 300mm MGN12H rails kit; pack of 2 for Ender 3 (11.81 in)

This Y axis linear rail guide kit upgrades the Ender 3 V2 and Ender 3 Pro with dual MGN12H rails (300mm each) for smoother, stiffer motion along the Y axis. It’s designed for quick install and long-term reliability, ideal for users upgrading to higher-precision prints. Note: Ender-3 V2 requires printing an additional Y-axis limit block to finish assembly.

✅ MGN12H Linear Guide rails, 300mm length, x2
✅ M3 cup head screws, 26 pcs; M3 T-nuts, 16 pcs
✅ M5 flat head screws, 6 pcs; slide plate fixed seats, 2 pcs
✅ Quick upgrade with included hardware and clear install guide
✅ 300mm rail length required for Ender 3 upgrades

💡 What is a Y axis linear rail upgrade used for in 3D printers?

This handy upgrade makes motion more stable and precise for XY travel.

• Longer life and smoother travel
• Easier alignment and calibration
• Reduced wobble for higher print quality
• Support for Ender 3 V2 and Ender 3 Pro upgrades