Construction: The connecting plate of the pergola bracket has a reinforced design, which makes the pergola bracket stronger and ensures the stability of the pergola roof. Fit For 2 x 4 Inch Lumber: Heavy duty pergola brackets has an actual inner size of 1.6 x 3.6Inch, height 5Inch. used to install 2x4Inch (actually 1.5 x 3.5 inches) dry wooden columns. Sturdy Steel: The pergola bracket kit are made of premium steel, welding using robotic arms,make them very strong and secure; coating to prevent rust and withstand extreme weather conditions, ensuring long-lasting durability. Wide Application: The pergola rafter brackets are suitable for building pergolas, gazebos,porch,log cabins,patio cover,courtyards,deck railing, fence,these pergola roof beam brackets provide reliable support,making them the for any location., Manufacturer: Akfldms