♬Specially designed for 6mm standard curtain tracks, widely applicable to various types of curtains, meeting the needs of different home or commercial environments. ♬Make of to ensuring that the pulley remain smooth and without any abnormal noise during long term use. ♬X shape design effectively reduces friction, making curtain opening and closing easier and more comfortable, enhancing daily user . ♬Optimizing the structural design enables the pulley to have good load-bearing capacity, suitable for hanging heavy curtains, ensuring and reliability. ♬During the sliding process, a quiet design is adopted to create a peaceful living .