Columbia 8" Automatic Fat Boy Box Compound Mud Tubes We are very proud to

We are very proud to get this feedback and will make sure that every Flat Box we make exceeds your expectations

Great for vertical flats

Ergonomically superior

5” specialty box to our 14” they are all star performers

Columbia 8" Automatic Fat Boy Box Compound Mud Tubes We are very proud toColumbia offers the widest range of high quality Finishing Boxes in the world. The Automatic Flat Boxes reduce the need to push the compound on to the wall. By engaging, the box springs put pressure on the compound chamber requiring only a light push to operate the box. Well built and fine tuned to offer great flat joints for years. We have been told for years that our boxes are the smoothest finishing and easiest to push. We are very proud to get