OUTSIDE 90-DEGREE DRYWALL CORNER BEAD ROLLER WITH COARSE THREAD ADAPTER by Columbia Taping Tools - Professional Contractor Grade Drywall Taping and Finishing Tools 5-Year Warranty means this tool will outlast and outperform cheap import brands Machined from solid billet aluminum and stainless steel components. INCLUDES COARSE THREAD ADAPTER for use on standard painter's poles, broom handles, etc. Fits all standard corner roller handles with fine threaded female ends PLUS most other pole handles with the included coarse thread adapter Columbia 90 Outside Bead Corner Roller is designed to accurately align 90 degree outside corner bead. The roller makes it easier to squeeze out excess compound more efficiently. Manufactured with solid billet aluminum and stainless steel components for long-lasting use and supported by Columbia's 5-year warranty.Outside Bullnose roller available separately. Threaded to fit any major brand corner roller handle AND includes coarse thread adapter so the roller can be used with any standard 3/4" Male Coarse Thread painter's pole, extension handle, broomstick, or tool handle.