Over the past 8 years, the Radius360 has simply changed how professionals sand paint and drywall. The 9-Inch diameter head provides unparalleled range of motion and finish quality. Full Circle International is pleased to introduce the future of sanding. The redesigned Radius360 is the same great tool with the added ability to transform your pole sander to a handheld sander, or to swith out the round shape for the triangular head of the new Trigon180 sanding tool for detail corner sanding. The New Radius360 has a detachable center hub, which easily snaps in and out via a cam lock mechanism. This center hub can be snapped into the new Trigon180 sanding tool, or can be interchanged with the hub of the Pro Handle Adapter.