More Sturdy The 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. More Durable The folding shelf brackets heavy duty is made of high quality stainless steel,with good corrosion resistance and rustproof performance.High-quality brushed stainless steel, no need to paint,more durable and healthier. Good Quality The 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. More Size & Widely Used Dimensions of the foldable shelf bracket:8 inch-24 inch,Sturdy triangular construction,Max load: 550 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.