Columbia Automatic Flat Boxes


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Columbia Tools

Automatic Flat Boxes

Columbia offers the widest range of high quality Flat 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 this feedback and will make sure that every Flat Box we make exceeds your expectations.


  • Flat Finisher Box available in 8″, 10″, 12″ and 14″ sizes; Fat Boy Box available in 8″, 10″ and 12″
  • Engaging axel creates pressure on mud release
  • Over 50% easier to push
  • Great for vertical flats
  • Hand made from U.S. billet aluminum and steel components
  • Machined in our state of the art facility in Canada

Additional information

Weight 3 lbs
Dimensions 6 x 6 x 12 in

8" Flat Finisher Box, 10" Flat Finisher Box, 12" Flat Finisher Box, 14" Flat Finisher Box, 8" Fat Boy Box, 10" Fat Boy Box, 12" Fat Boy Box


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