Folding stand, iron folding lock, extendable table and chair bed, folding leg, folding leg with self-closing screw hinge, folding workbench, folding table, kitchen folding table, extension shelf, laundry room, bed, furniture, truck. Occasion:When you enter your home, office or even an organized garage, you will feel better. Support frames are ideal for situations where space is limited and/or flexibility is crucial. They can be used on homemade tables, folding dividers, folding doors or any place that needs to be folded when not in use. Unique Design Each rack can hold up to 500 lbs, works well and sturdy. The spring loaded lock ensures stability by locking in the open position. Easy to fold when not in use. To unlock, simply press the latch and fold it. Specifications: Material: Galvanized Iron Color:Silver(4pcs): These load limits are for reference only. These brackets work best when used on furniture legs or narrow and simple work surfaces. If there is no footrest, a wider distance leads to a reduction in load capacity. Actual conditions of use generally result in lower load capacity than laboratory conditions. Environmental considerations Excessive moisture, salt or other chemicals can corrode the surface and corrode metal or plastic parts. Tightening: Incorrect or incorrect fasteners can cause the holder to loosen and cause damage. Alignment: Misalignment of the bracket will result in an invalid, insecure installation. Package Included 4 x Folding Table Hinges 36 x Screws