HIGH QUALITY It is made of high quality zinc alloy and is extremely durable. All curtain rollers can roll and slide smoothly in the track. Lightweight but sturdy sliders that are easy to slide on. Perfect size This metal track roller measures Total width 18mm total length 14mm pitch 9mm. Versatile, perfect for curtains, drapes, carafes, shower curtains. APPROXIMATE DESIGN The hook is designed to hang on a 360 degree swivel rail suspension, trendy and classic. Noiseless wheels are covered with rubber that glide smoothly and quietly, creating a quiet and elegant living environment for you SIMPLE AND CONVENIENTFor pleated curtains with needle hooks, simply insert the needle hooks into the eyelet at the bottom of the trolley. For curtains with eyelets or loops on the back, simply add the hooks. Scope ideal for attaching curtain panels, room dividers, drapes, curtains and valances. Widely used in windows, wardrobes, bedrooms, offices, restaurants, sliding doors, etc. Please pay attention to the size and dimensions of the product when shopping to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you like it