Sturdy & Heavy Duty: black folding shelf bracket, made of high quality and strong metal, black painting surface, do well resist daily scratches, corrosion and tarnishing. With solid triangle structure and strong supporting bar. Space-Saving Master: Foldable design, you can press the release button to fold the bracket, and the worktop will be close to the wall to save a lot of space, convenient and practical, perfectly work in small or narrow room, ideal for home, office, RV, garage, or warehouse to help building extra work bench. Easy to Install: Collapsible shelf support comes with mounting accessories, the short bracing arm with 3 holes for expansion tubes and long screws to fix the bracket on the wall, and the longer arm is attached to the wood board. (Warm Notes: the bigger hole on the long bracket arm is designed for screwing the screw into the top hole on the short.) Multiple DIY Purposes: The bracket hinge locked at 90-degree angle, can be used to support floating shelves, tabletops, chairs, and provide you more creative home improvement ideals, like suspended desks in the bedroom, plant shelves in the garden, storage shelves in the kitchen or bathroom, etc.