Iverntech MGN12 330mm Linear Rail Guide with MGN12H Carriage Block for Ender 3, Corexy, Tronxy, Delta Kossel 3D Printers Upgrades and CNC Machine
 
Product Features
  

         
Surface technology: Anti-oxidation by electroplating (nickel plating)
         
Rail guide material: bearing steel. Rail Guide Length: 330mm
         
Block: MGN12H ball bearing carriage. Block material: Stainless Steel. Blocks are pre-loaded
         
Suggested to use M3 T nut and screws if you fix it to 20 series EU Al-profile
         
There are two rubber stoppers on each side of the linear rail, it can prevent the carriage block from falling out