Fangrui Product Details Fangrui Product Details Quality Supported Structure: The Pergola Top Bracket Kit Made Of 2.7mm Thickened High-quality Metal And -coat Finish For Extra Resistance,it Not Easily Break Off And Be Out Of Shape When Using. Adjustable: Our Inner Diameter Of The Pergola Extension Bracket Is 3.55 Inch,use For 4 X 4 Post (actual 3.5inch X 3.5inch On Market ),the Other Side Can Be Adjusted According To The Actual Size Of The Wooden Column.(can Be Opened To Fit Post Already Being Used On Pergola) Enhanced Stability: These Brackets Are Extremely Thick And Heavy.rugged Craftsmanship Provided Additional Structural Stability And Support For Wooden Construction Projects. Diy Pergola Kit: If You Are Looking For A Modern Pergola To Build Or Extend Your Pergola, But Dont Want To Spend A Lot Of Money,our Pergola Hardware Is A Good Choice.use This Extension Pergola Bracket Used For Balcony,courtyard,patios,commercial Venues And Park,you Can Build The Outdoor Place Gathering Or Entertainment. 3-way T Bracket: Each Heavy Duty Bracket Has Pre- Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.