Material: The folding shelf brackets are made of high-quality metal iron, which are built to resist daily scratches, corrosion, and tarnishing. Connected by thick rivets, tight and not loose, more durable. Sturdy and stable: The bracket adopts a triangular structure. The triangle is the strongest structure of the wall bracket. The thickened support arm makes the bracket stronger and more stable. Space saving: The folding shelf brackets lock at 90 degrees. Space saving is one of the features of the folding brackets. When you want to reduce the area, just press the release arm. Application: Perfect for many DIY jobs around the house. For example, making custom bookshelves or wall shelves, kitchen shelves, display books, garden shelves, outdoor wall brackets, etc. Feature: Excellent folding design saves space in narrow places and keeps the room tidy and orderly. After opening the bracket, press to ensure that the bracket is locked in the buckle. Specifications: Color: Black Material: Iron Surface Treatment: Baking Finish Fold Size: 150 x 29 x 25 mm / 6 x 1.1 x 1 inch (L*W*H) Open Size: 150 x 150 x 25 mm / 5.9 x 5.9 x 1 inch (L*W*H) Package Included: 2 * Folding Shelf Brackets (No Screws Included) Note: To ensure maximum load, it is recommended that the board width match the bracket length. The bracket's load capacity decreases as the torque increases. The bracket width can be selected according to the load-bearing capacity requirements.