Columbia Automatic Fat Boy Finishing Box Size:8" 1/8" diameter

1/8" diameter

Accuracy guaranteed for life: Vials will never fog

high tack solvent based acrylic adhesive

With its milled measuring surface and V-groove

The Compound is used between two layers of building materials – typically drywall

Columbia Automatic Fat Boy Finishing Box Size:8" 1/8" diameterColumbia 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