For Easy Installation: No need to disassemble your shower slide bar. Simply adjust the knob to fit bars from 15 mm to 30 mm and secure it directly for a quick setup. Adjustable Shower Head Holder: This shower head holder fits slide bars from 15 mm to 30 mm via knob adjustment and allows height to match your bathing preferences. 360Degree Rotation: rotate the shower head holder a full 360 degrees to set your showering angle. AntiSlipping Design: Features a builtin resin pad that protects your shower slider rail from scratches while keeping the holder firmly in position during use. Use scenarios In a family bathroom with users of different heights, quickly adjust the holder to the needed height and angle for each person. In a shower with a tall or awkwardly placed slide bar, rotate and reposition the head to reach comfortably without bending or stretching. When upgrading an existing installation, rely on the resin pad to protect the rail and maintain a stable, secure hold during use.