Iron,【Shelf Support Size】--100 x 100 x 20mm/4" x 4" x 0.8" (L*W*T),【Strong load-bearing capacity】--The heavy duty bracket is made of high-quality heavy-duty steel, resistant to bending and breaking, and the thickened L-shaped design provides you with greater stability. A pair of L brackets can support up to 50 pounds.,【Unique curved surface design】--Shelf hardware’s smooth curved edges protect your hands and walls. The beautiful look is the perfect decoration for the modern minimalist style. Imagine a clean, clutter-free space where you can display decorations, tableware, etc. on the shelves hanging on these shelf supports.,【Easy to install】--The package includes the accessories you need, the bracket package includes 4 black L-shaped brackets, 8 long screws, 8 short screws, and 8 rubber particles. Only come with Brick & Concrete Anchors, and do not come with Drywall Anchors.,【WIDE APPLICATION】--Metal shelf brackets are suitable for home, living room, kitchen or bathroom, indoor or outdoor. The wall brackets for shelves also can be used for DIY bookshelves, wall shelf storage cabinets, garage heavy duty shelving.