Made of high quality material, the hanging hooks are designed for clipping on brick surface to hang festival, birthday, anniversary decorations and more. Features: The edges of the clip can hold the brick tightly, making it easy to be installed on the surface of the brick. No need drilling, no damage to your brick wall surface, easy to remove, reusable and eco-friendly. Suitable for hanging decorations outdoors in festivals, anniversaries, birthday/ wedding parties and so on. Selected metal material with high quality, sturdy and wear resistant. Not easy to deform or break, stable and firm for long-lasting use. Applicable to concave groove between two bricks, please use tools to saw the mortar joint to sink down if the clip can't be held. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Quantity: 4 PCS/ 10 PCS (Optional) Material: Metal Applicable Brick Height: 60-70mm / 2.36-2.76in Item Size: 70 * 38 * 31mm / 2.76 * 1.50 * 1.22in Package Size: 17.5 * 14.5 * 2cm / 6.89 * 5.71 * 0.79in Package Weight: 4 PCS: 51g / 1.80oz 10 PCS: 120g / 4.23oz Package List: 10 * Brick Hook Clip