Suitable for 18mm x 30mm rail. This sliding bracket is designed for use on a rectangular shower rail. Simply press the button to adjust the height of the bracket on the rail and release to tighten it. Push button adjustment. Easy to install, easy to use. 产品说明 Replacement Handheld Shower Head Holder for Rectangular Sliding is made by ABS plastic and chrome plated。 It is beautiful and sturdy to replace your Hand shower 支持。 120 x 40 x 28 毫米 导轨 18 x 31 毫米 Please note the rail size before purchase。 Please note that our shower 支持 only fit 18x30mm square slider。 支持旋转 Our hand showers are rotatable to adjust the direction of your shower。 Button to control the height Adjust the height of the shower head by pressing the button, which is non-slip。