2x 300mm Linear Guide Rails With 2x MGN12H Carriage Blocks And 2x Mini MGN12 Guides For DIY 3D Printers And CNC Machines Heavy Duty Bearing Steel Black

Dual 300mm linear guide rails with MGN12H carriages
✔️ 2x 300mm rails, 2x MGN12H carriages, 2x mini guides for easy install

This kit pairs two 300mm linear guide rails with two MGN12H carriages and two mini guides, built for precision in DIY 3D printers and small CNC machines. Made from bearing steel, it delivers stable, smooth motion and dependable performance.

✅ Linear Guide Rail: 300x12x8 mm (LxWxH) / 11.8x0.5x0.3 in, bearing steel
✅ Carriage Block: Stainless Steel, 45.5x27x10 mm (LxWxH) / 1.8x1.1x0.4 in
✅ Mini Linear Guide: Plastic, 55x12x8 mm (LxWxH) / 2.2x0.5x0.3 in
✅ End blocks provide collision protection at both ends
✅ Package Includes: 2x Rails, 2x Carriages, 2x Mini Guides

💡 What is a linear guide rail system used for in DIY CNC machines?

It provides precise, stable motion for guided axis movement. Handy for accurate printing, engraving, and milling in small setups.

• Precision motion control for smooth, accurate movement in printers and CNCs
• Low friction and wear reduction with bearing steel rail systems
• Easy installation with end blocks and compatible mini guides
• Versatile use in 3D printers, engravers, and small milling setups