This is a 45 degree angle adapter able to mount to 4" Circular Outlet Boxes -
Use 2 together to make 90.
It is made of 2 pieces. Bottom piece attaches to the 4in Outlet Box, then the angle piece slides over the top and is attached with stainless screws. The screw holes are spaced per standard outlet boxes. Then you can attach your light fixture to outlet. Use appropiate gasket material to keep the piece watertight.
**********Adapter is not rated for Electrical Connections - DO NOT MAKE ELECTRICAL CONNECTIONS INSIDE THIS ANGLE PIECE, it is not UL/NEMA nor NFPA Rated. Only use the outlet box the angle piece is connected to, to make the connections. The material used is made from PETG, which is considered non conductive, and is used is some electrical applications. And it is considered outdoor rated. Do not attach anything more than 10 lbs. This adapter cannot support ceiling fans. The only fixtures it can support are flood lights