DURABLE CONSTRUCTION: The shower caddy holder is made of engineering grade ABS. Coated in an industry leading chrome finish, designed to resist everyday scratches and corrosions. ADJUSTABLE DIAMETER AND HEIGHT: The shower head holder fits round riser bar with 18-25mm outer diameter. You can easily adjust the height of the shower along the shower pole to provide every family member with a comfortable shower experience. Note: 21mm is the top, 19mm is the bottom, do not install it at the bottom. 'towards. 360 DEGREE ROTATION: The shower head holder can rotate 360 degrees freely. To make it easier to adjust the spray angle, you can tighten or loosen the bracket screw depending on the weight of your shower. EASY INSTALLATION: No tools required, no disassembly of the shower bar slider, just enjoy the thoughtful design of this shower slider bracket. The shower holder can hold up to 2 kg of hand shower. Note: Please do not tighten the rotary handwheel too hard and do not tighten it with a wrench. PROTECTIVE AND NON-SLIP DESIGN: Built-in silicone cushion, to hold the shower holder in place and protect the shower slide from daily scratches.