This invisible triangle wall shelf bracket is made of sturdy iron materials for long period use, both practical and decorative. Strong enough, holds of weight, right angle structure, holds a good amount of weight, which be used to make a bookshelf, kitchen shelf, exhibition stand, external wall brackets etc. Features -Color:Black -Material:Iron -Size:14.00X13.00X3.00cm/5.50X5.11X1.18in - Sturdy iron material makes this bracket a lasting shelf support for a long term use. - The reasonable triangle makes this wall rack more stable and sturdy, very practical to use. - Made of high grade stainless steel plate, thick and , strong and , polished and brushed surface, workmanship. - The material is thick, , strong bearing capacity, and the shelf support is suitable for most wall mount floating shelf. - Compact size and light weight, easy to use, high performance for rust, good for support application. Package list: 4 x bracket 8 x screw 4 x expansion tube