HEAVY DUTY SHELF BRACKETS: Our heavy duty shelves are made of high quality nickel-plated iron, each with a weight capacity of up to 110 lbs / 50 kg. Sturdy and durable, not easy to rust, fixing the life of the shelf. WIDE COMPATIBILITY: Pole length is 2.8 inches, diameter is 0.39 inches, back plate is 2.8 inches wide and 0.55 inches high. Easily install your favorite shelves in your home office, bathroom, kitchen, living room, dining room, bedroom, garage or even front porch. INVISIBLE BUT STURDY: Our hidden floating brackets will be hidden inside the shelf and the shelves will float. This way you don't have to worry about unsightly metal fittings detracting from your home decor layout. EASY INSTALLATION: Our products are very easy to install with just a few screws. Includes 4 metal floating brackets, 8 screws and 8 drywall anchors. They are suitable for drywall, concrete or brick walls to keep the floating shelf brackets intact. RISK-FREE SHOPPING: If you are not satisfied with any of our products, we do not require anything less than a full refund. Because we want our customers to enjoy a satisfying shopping experience.