I purchased one of these for my X axis on my 3D printer. After thoroughly cleaning out the shipping grease with WD-40, and re-oiling with some bearing oil, the carriage block slides effortlessly and smoothly. for the price, it's worth it if you do the "tune up" procedure.
Iverntech MGN12 700Mm Linear Rail Guide With MGN12H Stainless Steel Carriage Block For 3D Printer And CNC Parts
11 Review
Iverntech MGN12 700Mm Linear Rail Guide With 2 MGN12H Stainless Steel Black Carriage Block For 3D Printer And CNC Parts
6 Review
Goodyear Ultra Grip Ice SUV 235/65 R17 108T winter
35 Review
Iverntech MGN12H Linear Rail Guide With Stainless Steel Carriage Blocks - 700Mm Length For 3D Printer And CNC Machine
9 Review