Dimensions: Available in 18mm/0.7" wide and 30mm/1.18" long. This sliding rail bracket is designed for use with rectangular shower rail kits. Suitable for standard showerheads, shower clips, showerheads with standard connectors. HIGH QUALITY: The shower head holder is made of high quality ABS plastic and chrome alloy, corrosion and rust resistant, ensuring durability and longevity. This shower rail slider works great with other fixtures and fittings to sync the look of your bathroom. Unique advantage: This slider bracket does not require drilling, does not damage not the wall, waterproof, super sticky. And the square slider can slide flexibly, suitable for people of different heights, and the height can be adjusted as needed. EASY INSTALLATION: The rectangular shower head is easy to install, without drilling, without tools and without the need to remove it from the wall. The angle of the shower holder can be adjusted when showering. Simply press the button to adjust the height of the holder on the rail, then release to hold it in place. BEST REPLACEMENT: The sliding shower head holder is perfect for hotel, shower or home use, easy to install and a great replacement accessory. The shower rail slider is perfect for adults and children. It is an indispensable element to improve family happiness.