Columbia Fat Boy Finishing Boxes

Need a larger, stronger box with greater mud capacity for loading flats and butts? We are proud to meet your needs with the Fat Boy Boxes. Available in 8”,10” and 12”sizes these boxes really go the extra mile. Fat Boy’s holds approximately 40% more compound than standard boxes. Saving you many trips to the pump.


  • Free floating brass bar reaches into corners without leaving flags.
  • Handle mounting screws are higher on the box door for an easy push.
  • Extremely durable extruded frame for decades of use.
  • New and improved “No Swell” gaskets for use with most solvents and lubricants.
  • 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: 8"
2 available

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