Columbia 12" Inside Track Fat Boy Box Corner Roller & Handles The Columbia Corner Roller is

The Columbia Corner Roller is fabricated with a die cast head

Offered in two and four wheel designs

Blade ground for comfortable "broken-in" feel

10" and 12" Fat Boy sizes

Made of heavy gauge

Columbia 12" Inside Track Fat Boy Box Corner Roller & Handles The Columbia Corner Roller isColumbia 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