Ideal for supporting custom floating shelves, these concealed brackets offer stylish storage to enhance home organization. **Key Features:** - **Strong Load Capacity:** Supports up to 20 kg when properly fastened to studs in solid or cavity walls. - **Durable Construction:** Made of hardened iron with a plastic expansion tube for long-lasting use. - **Stable Design:** Hexagonal barbed support rod improves stability on wood or masonry surfaces. - **Versatile Use:** Suitable for bookshelves, retail displays, bathroom shelves, and more. **Installation Guide:** 1. Measure and drill holes (max depth: 72mm). 2. Insert the expansion tube, then tighten the support rod clockwise until secure. 3. For heavier shelves, use additional brackets to distribute weight (each holds 15 lbs). **Specifications:** - Material: Iron + plastic - Color: Brown - Weight: 300 g - Includes: 8 hidden brackets **Note:** Requires a 12mm drill bit. Install at least 2 brackets per shelf, ensuring level alignment. Place the silver metal ring on the expansion tube before embedding into the wall.