Hidden mounting brackets- Can be used for DIY or custom ledges, completely hidden in walls and boards, simple and fashionable, to make your home more beautiful and orderly. Material- The inside of the floating shelf bracket is made of iron, its housing and expansion tube are made of plastic. It is fine workmanship, sturdy and durable. Dimensions support rod length is 100mm, diameter is 10mm. High stability- The support rod is a hexagonal cylinder with barbs, which increases the obstruction of the board and improves stability. Strong load-bearing- The load-bearing capacity of the wall shelf bracket is very strong. If properly installed on a suitable fixed brick wall, the bracket can support approximately 20 kg. Brown color Size: 10*100mm Quantity delivered: 6 pieces Product dimensions are all measured by hand, there are errors and the actual product shall prevail. Product color is affected by shooting light view and there is a slight color difference, which depends on the actual product received.