Features: These positioning hooks are suitable for roller curtain and blinds. It comes with a simple structure, easy to install. Simple appearance, which will not affect appearance of curtain. There are enough quantities for you to meet your needs. Made of premium material, they are durable, sturdy for the long- lasting use. Specifications: Material: pom Single Size: Approx.0.5x5.5cm/0.19x2.16inch Package Includes: 12 Pieces/set Positioning Hooks 12 x Screws note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.