【Standard 90° bending】In order to ensure that each shelf bracket can be at 90° to the maximum extent possible, we add a rigorous picking process before the shelf brackets are packaged. The standardized 90-degree design is so important that it’ s the objective factor in ensuring that items remain level and do not tip over after being placed on the board(board is not included).,【Heavy Duty Iron & Durable Coating】Our floating shelf hardware is made of thick, heavy-duty iron, stamped and bent in one piece, no welds are not easy to break with better toughness. Each pair of floating shelf bracket can hold up to 160 pounds of weight. The surface is covered with a thick layer of black frosted coating. It increases the friction between the board and the bracket, on the other hand, it is more waterproof and less prone to rust, which prolongs its service life.,【Complete Accessories & Easy to Install】Boards is no included. Provide all the screws needed for different wall mountings, and extra spare screws are prepared for unexpected situation. They can achieve strong grip on wall surface. And a spirit level is also included to measure as well as keep the shelf hardware balanced during installation. Detailed installation instructions are provided. Just follow the steps, this wall mount shelf bracket can be installed even by someone without experience.,【For Wood&Plaster&Concrete Wall】No need to worry about you can’t use our heavy duty shelf brackets on the wall you want to. These black shelf brackets can be used on wooden wall, drywall and hard concrete wall. The screws used for wooden wall and plaster walls are the same and are explained in detail in the instructions.,【Unrestricted Space Usage】We provided 6in, 8in, 10inch and 12inch brackets for floating shelves. Pick the right bracket or use it in combination depending on the actual space or the size of the planks. Hanging shelf bracket is not limited to kitchen use only, is also for living rooms, bedrooms, bathrooms, storage rooms, utility rooms, checkrooms, laundry room and corners to store green plants, photo frames, handwork, books, toiletries, storage baskets, sundries or to be a cat climbing frame.