【3 Advantage】Our shelf brackets have three characteristics: High-Quality、Multi-functional Installation and Affordable Price. 【High-Quality】As we know, triangle is the most stable structure. Our L brackets are designed with right triangle concept, made of heavy-duty iron and without welded joints. The strongest materials and design can easily support a weight of 100lbs. 【Multi-functional Installation】Our bracket can be easily installed by DIY. It can be installed facing upwards (Used as a bookend), or facing downwards (in the kitchen), and can be installed diagonally at an angle (in the corner). It can even be used without a wooden board(for fix the table) 【Affordable Price】We cut off a piece of the triangle is to make the wooden board fit more snugly against the wall. Save costs while making the product look better. 【Wide application】These floating shelves brackets heavy duty can be used in your bedroom, living room, bathroom, kitchen, garden and more. 4 x 4 Inch Shelf Brackets 4 pack，Heavy Duty Iron Floating Shelf Brackets for Wood Shelves, l Brackets for Shelves, Small Flat Angle Curved Black Bracket for DIY.