1. More SturdyThe folding shelf bracket slide reinforced and widened,stronger than ordinary slide to prevent deformation,rivets using strong performance chain nails to prevent rivets from falling off. 2. More Black folding wall shelf bracket made of metal. Scratch and corrosion resistant. 3. Good QualityThe folding table bracket is 90 degrees,the surface is flat;the edge of the collapsible shelf bracket is smooth to prevent scratching;the folding switch is extended to avoid wall wear. 4. More Size & Widely UsedDimensions of the foldable shelf bracket:8 inch-24 inch,Sturdy triangular construction,Max load: 410 lb,These shelf bracket are perfect for many home DIY jobs.Could be used to make a folding workstation in your garage,stores,workshops,boats,motorhome,backyard,trailer,room, kitchen,balcony,bathroom. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.