
I needed to replace the motor, just needed the rail. This product will not allow you to do that easily if at all. Other than that, it seems of good quality.

Iverntech 400Mm MGN12 Linear Rail Guide With 2 Black Stainless Steel MGN12H Carriage Blocks For CNC Parts And 3D Printer Upgrades
8 Review

Iverntech MGN12 400Mm Linear Rail Guide Upgrade For Ender 3, Corexy, Tronxy, Delta Kossel 3D Printers And CNC Machines With Stainless Steel Carriage Block
12 Review

Powerful And Waterproof Electric Micro Linear Actuator 12V With Mini Size And Mounting Brackets For Various Applications
11 Review

Iverntech MGN12 700Mm Linear Rail Guide With MGN12H Stainless Steel Carriage Block For 3D Printer And CNC Parts
11 Review