Key benefits Wide compatibility: 18 mm American thread head fits a broad range of cleaning tools, enabling versatility with standard extension poles and adapters Secure angle control: the angle fixing knob locks the joint at your chosen angle for stable and precise cleaning Easy angle setting: the tightening adjustment knob lets you fix the joint angle quickly and reliably Flexible configurations: compatible with extension pole adapter, swivel angle adapter, and roller pole adaptor for multiple setups Product overview 18 mm American thread head for compatibility with multiple cleaning tools Designed for extension pole use, including extension pole adapter and swivel angle adapter configurations Supports roller pole adaptor setups to suit various cleaning tasks How it works The angle fixing knob provides secure locking at the desired joint angle, while the tightening adjustment knob allows quick and precise angle adjustments Combined, they enable stable positioning and efficient cleaning across different tool configurations Use scenarios Reach or awkward angles such as ceiling corners, vents, and tall windows by locking the joint at an angle Clean tight spaces under furniture or inside vehicles by using the swivel angle adapter to access confined areas Perform largesurface cleaning with a roller pole adaptor, maintaining a controlled angle for consistent results