Columbia 12″ Automatic Flat Finishing Box

Columbia 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.

Out of stock


  • Available in 8″, 10″, 12″& 14″ regular
  • Engaging axel creates pressure on mud release
  • Over 50% easier to push
  • Great for vertical flats
  • Bead wheel protects axel from wear while running box on bead
  • Hand made from U.S. billet aluminum and steel components

Additional information

Weight4.5 lbs
Dimensions14 × 8 × 5 in