1000mm MGN12 Linear Rail Guide with Black MGN12H Carriage Block & Anti-Fall Strips - High Precision Linear Motion System for 3D Printers, CNC Machines, Laser Cutters, and DIY Automation Projects

Packing list: 1 * 1000mm MGN12 linear rail1 * MGN12H carriage block

Rail guide length 1000mm; the distance of the holes 25mm

Carriage block MGN12H (45.7*27*10mm)

Threaded holes of the block 4-M3*3.5 (holes' center distance 20*20mm)

There are 2 rubber stoppers on the ends of the rail in case of the block falling off the rail.

There are are 2 anti-fall strips on each side of the block, which reduce the situation that the carriage block is stuck during shipping, and makes it lower noise when the carriage block is running on the guide rail.