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14" Automatic Flat Finishing Box

Save $43.47

$391.22 $434.69


Columbia's 14” drywall flat box is designed to apply joint compound to butt joints and bad flat joints, giving you more feather than traditional 12" flat boxes.


  • Automatic Assist springs that take wear and tear off your shoulders
  • Hinged door allows the flat box to open wide for easy clean up
  • Bead wheel protects axle from wear while running box on bead
  • Fits most style flat box handles
  • Hand made from U.S. billet aluminum and steel components

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