High Quality: Made of high-quality zinc alloy, ensuring durability. All curtain rollers operate smoothly on the track. Lightweight yet strong gliders allow for effortless movement. Perfect Size: This metal rail roller measures 18mm in total width and 14mm in total length, with a hook height of 9mm. Suitable for curtains, sheers, mason jars, and shower curtains. Design: Features a 360-degree rotating hook for easy hanging, combining classic styles. Silent rubber-coated wheels ensure smooth and quiet sliding, contributing to a calm and elegant environment. Easy to Use: For pleated curtains with hooks, simply insert the hooks into the grommet at the bottom of the bracket. For curtains with eyelets or loops, attach the hooks directly. Application: Ideal for curtain panels, room dividers, drapes, and valances. Suitable for use in windows, cabinets, bedrooms, offices, restaurants, and sliding doors.