Columbia Flat Finishing Boxes

The Columbia Flat Finishing Boxes are one tough tool. The adjustable, stainless-steel blade provides the right amount of compound to finish flat joints evenly and professionally.


  • New and improved “No Swell” gaskets.
  • Rubber-gasketed bar system stays flexible, and rubber roller wheels provide soft ride, even when dirty.
  • The moving axle allows better control.
  • Springs not required!
  • Our hinged door design allows for quick cleaning, and the ability to run with or without door springs.
  • Use one spring, two springs or no springs at all!
Size: 5.5"
1 available

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