4-Way Right Corner Pergola Brackets Kit, Woodwork Brackets With Post, 2 Pack Parameters: Material: 14# heavy-duty steel Color: black Process: galvanized layer + powder coating Opening size: 3.58*3.58 inches (91*91mm) Use: Suitable for building pergolas, gazebos, playgrounds, tree houses, log cabins and other various scenes Packing list. 2*Brackets 2*Post Base 32*self-tapping screws 8*Expansion bolts 1*Wrench1*Sleeve Matching wooden column: 3.5x3.5 dry wooden column HEAVY DUTY STEEL----Our pergola kits is made of high quality heavy duty 14# steel, Covered with a black galvanized layer, Matte black electrostatic powder coating, the product is strong and stable, rust-proof and durable FIT FOR 3.5 INCH WOOD BEAM----The actual inner diameter of the product 3.58x3.58inch, Suitable for most of the market 3.5x3.5inch wooden column EASY TO INSTALLATIONG----Our bractekts kit with 20 x self-tapping screws 4 x Expansion screws 1 x wrench 2 x Sleeve , you just need to prepare a suitable electric drill to easily install MULTIPLE APPLICATION----Petgola brakets kit are suitable for building pergolas, gazebos, playgrounds, tree houses, log cabins and other various scenarios, and can protect the end of the wooden column from rotting due to the complex outdoor environmen PRE-INSTALLATION TIPS----If you have any questions about the pergola kits, please feel free to contact us, and we will provide you with satisfactory service in time