ADJUSTABLE DESIGN: The angle of the bracket base can be adjusted from 0 to 180 degrees. The sturdy support bar of the roof rack rotates horizontally. These improved designs are suitable for all roof slopes and different wood mounting directions. STABLE SUPPORT: Each pergola roof bracket comes with 6 hex flange screws for wood base and 2 long screws with anti-slip nuts for locking angle to ensure stability and durability, providing reliable and stable support for roof pipes, perfect for long-term use. WIDE APPLICATIONS: The pergola roof brackets secure a pergola, patio cover or shade structure to the roof with easy angle adjustment and flexible design to ensure a perfect fit for your specific needs. Widely used in the roof section of porches, gazebos, patios, homes, cabins and other scenes.