Ready to Mount Package: the package includes patio roof riser pergola brackets kits; With 5/16 screws for wood base and 7/32 screws for pergola , the prep work is done Suitable Size: these versatile roof riser brackets are designed to adapt to a variety of roof angles; Adjustable from 0 to 90 degrees, they provide Perfect alignment for your roof inclination Enhanced Height and Stability: these pergola metal brackets allow for up to a 6 inch vertical rise, increasing the patio's roof height or pitch; It withstands weather adversities, ensuring good performance even during storms Quality Material: constructed from High-quality materials, these roof riser hardware high strength and secure support; Its is designed to withstand roof's weight and pressure, keeping your roof stable and safe Versatile and Functional: designed for a variety of roof portions, including porches, gazebos, and patios, it is recommended that the pergola supported by the brackets should not exceed 16 feet in width; The pergola hardware kit is a practical addition to your homes and cabins Material: Metal colour: Black Package Contents: 3 x Pergola Roof Riser Beam Brackets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.