4x4 Inch Pergola Bracket Inner 92x92 mm 4-Way Brackets 2 Pcs with 2 Bases4x4 Inch Four Way Pergola Brackets: This durable and strong pergola bracket kit that covers wooden beams, keeping them from rotting due to rainwater and harsh sunlight. It is designed for the mainstream 4 x 4 Inch specifications and can accommodate actual dimensions of 3. 5 x 3. 5 inches (92 x 92 mm) for both soft and hardwood Enhanced Durability: This pergola hardware is built from 2 mm carbon steel with a black powder coating for corrosion