[Fit to Support Shelf]: The package includes 20pcs 20*20*16mm small shelf brackets and 40pcs screws, suitable for supporting the shelf, you can use these corner braces to make shelves for your room. [Heavy Duty and Space Saving]: Corner code can provide stronger bearing capacity with L-shaped design, also can save space effectively while bearing heavy weight, and both sides are fixed with holes, not easy to fall off. [High quality and no fading]: These mounting brackets are made of stainless steel, rust and corrosion resistant, looks elegant and not easy to fade, which can stay for a long time . [Easy Assembly]: The 90 degree brackets are easy to install, you just need to put the corner code on the board to be connected and tighten the screws between the board and the corner code. [Wide Application]: Works great for book shelves, shelves potted plants, stereo, table, desk, and is suitable for reinforcing internal metal support, such as repairing particle board, cabinets, chairs, windows, cabinets, furniture, etc.