YOC shelf bracket 12 inches are the perfect companion to wall mount and have a holding capacity of 300 lbs.\r\n\r\nThe folding shelf bracket and screws are made of type premium stainless steel 304 surface brushed treatment steel, which ensures a longer service time and hard-wearing.\r\n\r\nExtend Release Handle: The upgraded design with the longer and wider release handle,makes it very easy to feel the release handle even in the dark. Also, you do not need to bow down to find the release part.\r\n\r\nHigh-Quality Washer: Adding a high-quality washer at joins helps to reduce horizontal oscillations and make it more stable while locking at 90 degrees, which makes the making folding up and down more smoothly, which ultimately reduces metal scraping noise while folding.\r\n\r\nHeavy duty Structure: Made of stainless steel at the most stable triangle structure. It is sturdy enough to support 300lbs per pair bracket.\r\n\r\nSafety Design: Curve edges and smooth surface, makes it sure that you won\'t hurt your knee while sitting at the fold-up desk. Also, it will not hurt your hand while folding up and down the bracket.