Material - The inside of hidden shelf bracket is made of high-quality metal, its outer shell and expansion tube are made of plastic, fine workmanship and durable. Concealed Fixed Bracket - The bracket can be used for DIY or custom board shelf, completely hidden in walls and boards, simple and fashionable, make your home more beautiful and neat. Application - The wall-mounted floating shelf bracket can support and fix all kinds of wall shelves such as bookshelf, display stand, garage shelf, decoration shelf, bathroom shelf, shoe shelf, etc. Bearing capacity - The concealed shelf support has strong load-bearing capacity. As long as it is correctly installed on a suitable brick wall. Delivery Quantity: 5pcs Package Contents: Only the above package contents, excluding other products. Size: 17.5*1*1cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: Multicolor (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)