2-7/8" Chain Link Fence Post Cap - Use for 2-7/8" Outside Diameter Post/Pipe - Aluminum Chain Link Post Cap Chain Link Fence Post Cap for Outside Diameter Pipe or Posts 2-7/8" Gives Your Chain Link Fence Post a Finished Look and Keeps Water/Snow Out for Longer Fence Life Post Cap is Made of Aluminum to Prevent Red Rust. This Size Cap is Used on Many Chain Link Gates 2-7/8" Post Cap Size Used for Many Gate Posts, Corner Posts etc. Fits 2-7/8" OD Post/Pipe