Automatic box engagement system: Minimizes compound application by applying pressure with a light push
Engaging axle: Creates pressure on the compound for smoother, flatter joints
Bead wheel: Protects axle from wear while running the box on bead
Handmade from billet aluminum and steel: Ensures durability and precision machining
Available in multiple sizes (8, 10, 12 inches): Accommodates various project needs
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.
Note: Columbia Automatic Boxes do not fit in Road Case.
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