Fully adjustable 360-degree rotation: allows you to position the umbrella left, right, forward or backward for optimal shade and sun protection throughout the day. Secure gear lock: teeth lock firmly in both up and down positions to prevent slipping and hold the umbrella steady even in breezy conditions. Clear compatibility and sizing: designed to connect umbrella poles with a diameter of 22 mm to a lower support pole of 25 mm. Use this exact sizing to ensure a proper fit. Stable and reliable performance: the locking mechanism and precise fit reduce wobble and movement, providing a safer and more dependable hold for your umbrella. Universal design: compatible with most umbrella types and suitable for a variety of mounting points including benches, tailgates, boats, posts and fences. Typical applications Park or picnic bench: attach an umbrella to a bench-mounted pole to create adjustable shade for seating areas. Tailgate or camping setup: mount on a 25 mm support pole at the back of a vehicle for sun protection during outdoor events. Boating and docks: secure an umbrella on boats or dock posts to provide adjustable shade while mooring or relaxing. What this product solves Eliminates awkward fixed-angle umbrellas by offering full 360-degree adjustability. Prevents umbrella slippage with a locked gear mechanism for safer, more stable use. Provides a simple way to adapt standard 22 mm umbrella poles to existing 25 mm support poles without complex tools. Notes on use Confirm your umbrella pole measures 22 mm and the lower support pole is 25 mm before installation to ensure compatibility. Tighten and check the locking gear after positioning to maintain stability.