Universal Sizing:Heavy Duty Curtain Hooks Measures 12mmx28mm,Each pack contains50Pcs Metal Curtain hooks The hooks are perfect for most kind curtain header tape,It could hold your curtain tightly,whether heavy curtains or lightweight curtains. Easy to Use: These metal curtain hooks require no latch, pins, or clips. Designed uniquely like a butterfly, they won't scratch your curtain and are easy to install and hang. Strong and sturdy:These silver colored metal hooks have a smooth modern finish,each piece is carefully electroplated,that looks fantastic in all types of interior decor styles and living spaces. Versatility: Our curtain hooks are compatible with most curtain header tapes, providing a firm grip to secure your window curtains effectively. Widely Use: The metal curtain hooks are made from high quality steel for use with heavy curtains,Heavy fabric blackout drapes, curtains and window blinds resulting in a very strong, hook with a flawless finish.