2 Pieces Folding Shelf Brackets 250mm Folding Bracket Wall Rack Heavy Duty Folding Bracket Black Folding Console Bracket How to Choose Size: It is recommended to match the shelf depth with the bracket length to ensure maximum load capacity. Extending the shelf depth will increase the torque of the support arm. When the torque increases, the load capacity will decrease (lever principle). Complete Models, Firm Support: Models include 250mm foldable flat brackets to meet different sizes! The maximum load capacity is 330 lbs/150 kg. To increase the load capacity, you can increase the number of brackets between spans. Space Saving: The foldable flat brackets only require one mounting surface and take up very little space. You can use them to expand the workbench in the garage, laundry room, kitchen, garage, boat, reception, backyard, RV, grill, trailer, bedroom, balcony, bathroom, etc. Folding up when not in use can save most of the space. Easy to Install: DIY, easy to install. The package contains suitable mounting accessories, high-quality stainless steel screws and expansion tubes. You just need to make sure the two brackets are parallel to each other and perpendicular to the wall. Sturdy and Durable: Made of high-quality stainless steel, it has good anti-corrosion and anti-rust properties. No coating, no painting, easy to clean, brushed process, can avoid daily scratches and keep the luster as new. Note: This product does not contain wooden boards. Please measure the size before purchasing.