SIZE: The adjustable rectangular shower head slider bracket measures 11.8 x 4 x 2.3 cm/4.64"x1.57"x0.9". Suitable for 18mm width and 30mm/1.18" long riser rail. This slider bracket is designed to be used on a rectangular shower rail kit. And suitable for standard shower head, shower clamps for handheld shower heads with standard connector. HIGH QUALITY: The shower head bracket is made of high quality ABS plastic and chrome alloy, corrosion and rust resistant, to ensure durability and longevity. This shower rail slider will match perfectly with other fittings and accessories to keep this look synchronized in your bathroom. UNIQUE ADVANTAGE: This sliding bracket requires no drill, no damage to 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. INSTALL EASILY: The rectangular shower head is convenient to install, no drilling, no tools required, no disassembly