Package include: only 1 shower head wall mount holder (the other showpieces in pictures are not included). With rotatable inserting rod, it has a wide range of angle adjustment. With one hole installation design, it has no hole distance problem. The front and rear wear resistant gaskets design can to reduce slack and slide due to long-term use. Size: 4.09" x 1.97"/10.4 x 5cm. After you receive the product, disassemble the product first, then use the expansion screw to install the base to the wall, finally screw back the other parts in order (the wall without hole shall be punched by 8mm drilling bit, and the wall with hole can be installed directly). Made of high quality brass, which is durable and practical. It does not rust and can make the nozzle vertically downward. The supporting force of the supporting rod is limited, only suitable for conventional hand-held shower, whose water outlet panel diameter is less than 13cm.