Product Description: 【Supports up to 400 lbs/ pair】 These 22 in floating TV shelf mounting brackets are made of ultra-durable heavy-duty alloy steel. Backplates and support arms are reinforced and thickened for durability. Each bracket can bear up to 200 lbs, making them ideal for holding precious home decor or art masterpieces 【Simple and Elegant】 22" Hidden floating shelf brackets not only bring a trendy and modern look. With their clever design, they can maximize the use of space. Whether it's in the living room, bedroom, or study, floating brackets can add a three-dimensional feel to your home. Inject new vitality and warmth into your house 【Electrophoretic Surface Treatment】 The hidden floating shelf hardware 8 in is coated with electrophoretic paint, presenting a bright black, lustrous finish without burrs. Compared to electroplating and painting, it forms a uniform, dense coating for excellent anti-corrosion. The coating has strong adhesion and won't peel off, enhancing aesthetics and texture 【Full Welding Process】 These floating shelf brackets are made with a full welding process. Compared to spot welding, the continuous weld provides better stability and strength. It guarantees that there will be no breaking or deformation during use. Plus, with thickened materials and high-strength support arms, the three support arms stay level throughout the drilling process. This prevents the situation where you can't insert the wooden board 【Complete Accessories】 The 22 in floating shelf bracket kit comes with all the installation accessories, including a spirit level, a pointed cutter, expansion screws, screws, drill bits, locating pins, and more. We also provide a clear and easy-to-understand installation video. Even for the basic screws and bolts, we use an upgraded version that is more durable than those on the market