Material: Made of galvanized iron; Item Size: 106 x 54 x 32mm (4.17 x 2.13 x 1.26 inch). Strong Load Capacity: The material thickness is about 2.5mm (0.098 inch), and the maximum load capacity for 2 brackets is about 225kg (500lb) Easy Installation and Operation: You only need to fix the brackets with screws during installation, after installation, just press and hold the middle lock to fold or unfold the table extension plate. Suitable for places where space constraints or flexibility is critical, such as kitchen, laundry, retail and grocery stores, boats, warehouses, industries, garages, janitorial storage, office and residential storage. etc. Foldable fittings with locking when folding and unfolding; Included in delivery: 4 pieces of folding brackets with 32 pieces of fastening screws