Pergola Corner Brackets 4X4, Woodworks Diy Pergola Kit 3-Way Right Angle Corner Actual inner size?3.63.6inch?91.6mm?,This size applies to nominal standard 4"x 4" wooden post.never rust. Material?Low-carbon the heavy steel braces are strong and stabilizing. Performance Characteristics?Providing good performance to withstand abrasion, corrosion, and rust. Precautions?Install the nut and nail, please select the appropriate hole for installation to make it more rigid and fixed. Applicable Scene?This 3-way corners are multi-functional extension pergola bracket used in many places, such as the balcony, courtyard, park, restaurant, building pergola?gazebo?playhouse?houses?log cabinand commercial venues for outdoor gatherings or entertainment. Product information?This set Includes (4) pergola bracket shoulders , simply cut the wood to your desired length and assemble,each angle of corner connector is 90 degrees,accommodates 4" x 4" lumber (exact measurement 3.5" x 3.5")there is a slight error in the actual size, usually the error is about 1mm.