STURDY & DURABLE - The Folding Shelf Bracket and the fitting screw are constructed of Type premium grade stainless steel. High-quality brushed stainless steel, build to resist daily scratches, corrosion and tarnishing. Allowing it to remain looking its best for longer. SPACE SAVING - These folding brackets are ideal for many DIY jobs around the house.The moveable bracket could be mounted on the wall and save more space for you in your kitchen, shop, stores, workshops, boats, motorhome, backyard, trailer, room, kitchen, balcony, bathroom, etc EASY INSTALLATION - Come with mounting accessories, premium stainless Steel screws and top quality anchors. Each arm has 3 holes for screw installation for a total of 12 holes. The holes in the short arm measure .25" diameter, and the holes in the long arm measure .20" diameter. The purpose of the bigger holes in the short arm is to allow bracket adjustment BRACKET SIZE - 330lb/150kg Bearing Capacity - 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. Heavy Duty Stainless Steel Folding Shelf Brackets are perfect for your garage style