The 13 * 31mm curtain rail is a common curtain rail specification used for installing curtains in homes and offices. The size of this rail is 13mm in height and 31mm in width. The curtain track consists of a top track, pulleys, hooks, connectors, etc. The pulleys and hooks are used to hang the curtains, and the connectors are used to connect the segments of the track. This type of curtain rail is installed in a wall-mounted or ceiling-mounted manner. Wall-mounted is suitable for wall-mounted installation, while ceiling-mounted is suitable for ceiling-mounted installation. This size of curtain rail is suitable for light to medium-weight curtain fabrics, such as ordinary curtain fabrics or gauze curtains. It is made of aluminum alloy, plastic, or steel, which makes it have good durability and stability.