300mm MGN12 Linear Rail Guide With Black MGN12C Carriage Block For Smooth 3D Printing And Precise CNC Machining Pro Grade Rails Red End Stops Spare Balls Easy Mounting Kit For Makers

300mm MGN12 Linear Rail Guide with Black Carriage Block
✔️ Includes 300mm rail and Black MGN12C carriage with red end stoppers

This compact, heavy-duty linear rail kit delivers smooth, accurate motion for 3D printers and CNC machines. Designed for quick mounting, it pairs a 300mm MGN12 rail with a Black MGN12C carriage and is ideal for tight-build projects and hobby CNC setups.

✅ 300mm MGN12 linear rail length for precise travel
✅ Black MGN12C carriage block for a sturdy fit
✅ Red end stoppers included to keep the block aligned
✅ 4-M3x3.5mm threaded holes on carriage; center spacing 15x20 mm
✅ 2 spare balls included for backup and smooth operation
✅ Packing list: 1 rail, 1 carriage, 2 spare balls

💡 What is a common use case for a compact linear rail kit in maker projects?

Handy for quick, precise positioning in small machines:

• Handy for precise motion in small CNCs, 3D printers, and camera sliders
• Improves repeatability and alignment of toolheads and gantries
• Fits tight builds with standard mounting holes