【STURDY & DURABLE】The folding shelf bracket is made of premium polished 304 stainless steel with strong smooth surface & srecise sction.build to resist daily scratches, corrosion and tarnishing. 【SPACE SAVING】Collapsible shelf brackets lock at 90 degrees. Excellent performance suitable for limited spaces when you want a work surface that can be folded down and out of the way. 【BRACKET SPEC】15.8 * 7.9 inch; Max load: 198 lb/90 kg. Triangle shape is the sturdiest construction in wall brackets currently. Enough to be used as bookshelf, kitchen shelf, exhibition stand, garden shelf, external wall brackets etc. 【WIDELY USED】Folding bracket could be mounted on the wall for many home DIY jobs. Ideal for stores, workshops, boats, motorhome, backyard, trailer, room, kitchen, balcony, bathroom, etc. 【EASY TO INSTALL】The folding hinge brackets are easy to mount just make sure they are straight on the studs when you do mount them. so you could build a folding shelf bracket or small wall mounted fold down desk for your home or garage. It can be installed on any kind of wall without damaging the wall.