4X4 Pergola Brackets Kit, 3-Way Powder-Coated Woodworks Corner Brackets, 1 BEAUTIFUL AND TOUGH : TROPTOLKY powder-coated pergola brackets are made of durable carbon structural steel, providing good performance to withstand abrasion, corrosion, and rust.3-Ways right angle corner brackets features weather-proof performance and a stable frame, even in inclement weather. EASY AND READY TO BUILD -- TROPTOLKY set Includes (1) Pergola Bracket Shoulders (1) Pergola Bracket Boots and all the necessary lag bolts, simply cut the wood to your desired length and assemble. Accommodates 4" x 4" lumber (exact measurement 3.5" x 3.5") Thickened Plate Box Design: The 0.1" thickening plate makes the pergola brackets boot breakage-proof and deformation-proof, so it will not easily break off and be out of shape when using. In addition, our plate has been designed as a steel box structure, which has provided additional structural stability and support for pergolas. DIY PERGOLA KIT -- Assemble your own pergola in less than 1 day and at a fraction of the cost of competing products. This product is recommended for the DIYer who wants a modern looking pergola!The heavy steel braces are strong and stabilizing. Wide Application: TROPTOLKY Extension pergola bracket is commonly used in many places, such as the balcony, courtyard, park, restaurant, and commercial venues. With a stable structure, framework, and black powder-coated plate, the high-quality pergola brackets have been used to build pergolas for outdoor gatherings or entertainment.