Plastic Coarse Thread Adapter will expand corner roller handles use in many different areas, such as brushes, window cleaning tools, mop heads, paint rollers, sanding heads, texture brushes and more. Works with USG Sheetrock Drywall Sander "No Flip" Head Design, and Columbia Pole Sander Head - No-Flip Design with Quick Release Clips. THREADED ADAPTER SCREWS INTO ANY STANDARD CORNER ROLLER HANDLE - Rankee, TapeTech, Level 5, Columbia (Colombia), Drywall Master, North Star.