Durable with Good Quality: robust and durable, beautiful appearance, but it was made from high quality ABS material. It is chrome plated to extend the durability, and it has been tested over 20,000 times. Before you make a purchase, you need to measure whether the diameter of the sliding rod is between 19-25mm, as shown in the third picture. If not, we have another variant suitable for 16-19mm slide bar showerhead brackets, please distinguish them carefully. Appropriate Conditions: suitable for standard shower head, hand shower with standard connector. This is a standard quality replacement part for shower rail on 19-25 mm diameter. 360° Rotation: the beam angle can be adjusted from any angle and the endpiece can rotate 360 degrees so that the angle can be freely adjusted. Easy to Use: no tools needed to install, easy to install and use, convenient and quick. Enjoy the flexibility of the shower head holder and the versatility of the hand shower head. Confident in Our Product Quality. Now buy, enjoy the shower. Shower hose interface diameter is suitable for 19-22.5mm.