300mm Linear Guide Rail With MGN9C Carriage Block And Mini MGN12 Guide For DIY 3D Printers And CNC Machines Ready To Rock High Precision Bearing Steel Rail For Smooth Motion And Accurate Carriage Travel

High-precision 300mm linear rail kit with MGN9C block
✔️ 1x 300mm rail, 1x MGN9C carriage, 1x mini guide, ready to rock

This compact linear guide rail set is designed for precise, smooth motion in DIY 3D printers and small CNC machines, delivering reliable carriage travel and reduced vibration for consistent results.

✅ Linear Guide Rail: Bearing Steel 300x9x6.5 mm (11.8x0.4x0.3 in) LxWxH
✅ Carriage Block Material: Stainless Steel; Size 29.5x20x8 mm (1.2x0.8x0.3 in)
✅ Mini Linear Guide Material: Plastic; Size 50x9x6.5 mm (2x0.4x0.3 in)
✅ Color: Black; Ends include limit blocks for collision protection
✅ Packaging: 1x Linear Guide Rail, 1x Carriage Block, 1x Mini Linear Guide

💡 What is a 300mm linear guide rail used for in DIY 3D printers and small CNC machines?

This is a handy solution for ensuring accurate, controlled motion in compact builds. - Provides smooth, low-friction linear motion along the rail - Keeps carriage alignment stable for repeatable prints - Includes a mini guide to help install without ball loss and simplify setup