Features: Durable and Reliable: Thanks to the electroplated iron construction and quality plastic rollers, these hooks offer long-lasting performance. They maintain functionality even in different environments, making them a reliable choice for curtain and net hanging needs. Easy Installation and Adjustment: The straightforward snap - in installation method of these Ceiling Curtain Hooks makes setup quick. And the ability to adjust the number of hooks as needed adds flexibility to your curtain or partition arrangements. Specifications: Material: metal and plastic Color: black Size: 1.42 x 0.59 x 0.39 inches Package includes: 50 x Metal Slide Curtain Track Hooks Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays