SIZE: The adjustable rectangular shower head slide holder measures 11.8 x 4 x 2.3cm/4.64"x1.57"x0.9". Suitable for width 18mm/0.7 " and a 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 shower heads hand shower with standard connector. High quality: The shower head holder is made of high quality ABS plastic and chrome al, resistant to corrosion and rust, 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 bracket 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 shower head 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. BEST REPLACEMENT: The shower head slider bracket is perfect for hotel, bathroom shower room or household, easy to install, it is a good replacement accessory. The shower rail slider is very suitable for adults and children. It is an indispensable item to improve family happiness. precise dimension information 120 x 40 x 28 mm < p>rail 18 x 31 mm shower 17-22 mm