The 180 degree pivot bracket plate is commonly used to add motion to certain elements of your project. The plate provides a full 180 degrees of axial motion and has permanently lubricated bronze bushings that act as high-strength pivot points. See the "Suggested Hardware" tab for the suggested hardware to mount the plate to a profile.
For technical details and images, please search for the product using the 80/20 interactive catalogue found here: https://catalogs.8020.net/80-20-Catalog-26/C/.