【Universal No-Drill Installation】Upgraded adhesive allows easy installation of curtain rod brackets without drilling, ideal for renters and homeowners who want to avoid wall damage. Suitable for smooth surfaces like tiles, glass, and metal. 【Dual Installation Options】Versatile brackets offer both adhesive and screw-mounting options, accommodating rough surfaces (like drywall, cement walls) and smooth surfaces (like tiles, glass). Adhesive option supports up to 20 lbs, while screw-mounted option holds up to 30 lbs. 【Premium Quality & Modern Design】Made from high-quality ABS plastic with strong adhesive, these waterproof and durable curtain rod hooks feature a modern, minimalist design that complements various home decor styles. 【Secure Spring-Lock System】The spring-lock mechanism ensures curtain rods remain stable and prevent slipping, compatible with rod diameters from 5/8 inch to 12/8 inches. 【Multifunctional Space Optimizer】Beyond curtain rod support, these versatile hooks serve as bathroom towel racks, kitchen hangers, and bedroom clothes hooks. Perfect for organizing towels, clothes, hats, umbrellas, and other small items throughout your home. Specifications: Material: ABS Plastic Dimensions: Approximately 1.89 x 3.35 x 2.26 inches Weight Capacity (Adhesive): Up to 20 lbs Weight Capacity (Screw-mounted): Up to 30 lbs Compatible Rod Diameter: 5/8 inch to 12/8 inches Installation Methods: Adhesive or Screw-mounting Suitable Surfaces: Tiles, glass, metal, drywall, cement walls