1、Adjustable Design: Roof riser bracket can be adjusted within the range of 0 to 90 degrees, suitable for all roof slopes. Install at any angle without cutting the roof, ensuring perfect fit for your specific needs. 2、Durable Construction: Roof support bracket is supported by three mounting hole fixings, ensuring stability and durability. Provides reliable support for roof pipes, perfect for long term use. 3、Stainless Steel Screws: Single terrace roof bracket comes with 2 5/16 screws for wooden base and 4 7/32 screws for pergola beams, all screws are stainless steel. Pre drilling is required before using hex screws. 4、No Roof Cutting Required: Roof pipe attachments are used to raise the height or spacing of terrace, deck, or pergola roof covers, or to connect structures to existing roofs without the need to cut holes in the roof. 5、6 Inch Support Arm: The roof riser bracket is to raise the pergola vertically by about 6 inches. Swing arm wall thickness is 11GA, base plate is 7GA.