Our brackets are rolled and formed from a thick 0.098” high-strength steel plate. Each pair of brackets' holding capacity is about 500lbs.which are very perfect for furniture table legs folding wooden bed, big bed, iron bed, dining table, DIY platform, table and other extensive applications, also can be used as a simple invisible bracket.in order to improve security, leg brackets feature spring-activated "positive lock" that make sure stability by locking in the open position. When the table or platform are not in use, just press the latch and fold down for more rooms. Specifications: Color: Black Bronze Material: Steel Dimensions:2.68"* 2.48”* 2.13"(L*W*H) Thickness:0.098” Package Includes: 4×Folding brackets