SIZE: The sliding adjustable rectangular shower head holder measures 11.8 x 4 x 2.3cm/4.64"x1.57"x0.9". Suitable for 18mm/0.7" width and one 30mm/1.18" long riser rail. This slider bracket is designed for use on rectangular shower rail kit. And suitable for standard shower head, shower clamps for handheld shower heads with standard connector.High Quality: The shower head holder is made of high quality ABS plastic and chrome alloy, corrosion and rust resistant, to ensure durability and longevity. This shower rail slider will pair perfectly with other fittings and accessories to keep that look in sync in your bathroom.UNIQUE ADVANTAGE: This sliding mount requires no drill, does not damage the wall surface, waterproof, super adhesive. And the square slider can slide flexibly, suitable for people of different heights, you can adjust the height according to your needs.EASILY INSTALL: The rectangular showerhead is convenient to install, no drilling, no tools required, no disassembly from the wall. The angle of the shower head holder can be adjusted while showering. Simply press the button to adjust the height of the brackets on the rail and release it to secure it in place.