Description: This shower rail holder features simple and convenient installation, easy to use. You can use it to adjust the shower head height conveniently. The shower head holder is 360 degrees rotatable, let you can adjust the shower head angle. Mainly made of ABS, it has a long lifespan, is sturdy and anti-wear. The surface is smooth and fine, comfortable to touch and use, convenient to wash. Specification: Material: ABS Color: Silver (Black/Yellow Random) Size: Show as picture Working temperature: 40°C Hole size:  20 - 25 mm Total Length: 123 mm Package included: 1 x Shower Slide Holder Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Thanks for your understanding.