Columbia 8" Inside Track Fat Boy Box Inside Track Fat Boy Boxes Columbia offers the widest range

Columbia offers the widest range of high quality

Zero Drag system for corners

Engaging axel creates pressure on mud release

Slide lock for easy and secure attachment

Columbia 8" Inside Track Fat Boy Box Inside Track Fat Boy Boxes Columbia offers the widest rangeColumbia offers the widest range of high quality Flat Boxes in the world. From our 5. 5 specialty box to our 14, they are all star performers. 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. The Inside Track Boxes are no exception. Best used on hard to finish areas like bead, butt joints that aren't fully dry and ceiling pot lights, this box is