NIUNIU MATERIAL: Made of extra thick steel plate, solid and stable to support 500lbs each bracket.SIZE: When locked in 90 degrees, the folding bracket measures 2.68 x 2.48 x 2.13 inches (LxWxH), thickness 2.5mm/ 0.098".SELF-LOCK DESIGN: Featuring with spring-activated locking function, folding brackets can be locked at 0 or 90 at needs, press the latch to fold or unfold the bracket.GREAT FOR: Making foldable table, workbench, wall shelf, DIY platform and other extensive applications.EASY INSTALLATION: Attach the folding brackets to the leg or platform with screws, making installation a breeze (Remember that before installation, folding brackets are difficult to open; once installed they work smoothly). Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.