Also known as a clamp bracket assembly, shower head bracket, slider assembly, or a handset / hand shower / shower head holder. Croydex Universal Riser Rail Slider is rendered in a sleek, unfussy presentation with a distinctly modern appearance.This unit is as durable as it is attractive. Easy to fit when you are replacing worn out or broken sliders, simply push on and tighten. Made from durable plastic, it is designed to fit 18-25mm diameter shower riser rails. Adjustable to fit riser rails from 18 - 25mm diameter Easy to fit - no need to remove ends of riser rail - just push on and tighten Can be retro fitted onto existing riser rails without removing them. Durable plastic Colour :Silver Perfect to replace broken sliders. Easy retro fit replacement Shower Riser White Rail Slider. Simply push the button on the side to adjust the height position of your hose/shower handset. This riser rail slider holds your shower handset securely in place on the slider rail. Made of durable ABS plastic.