Ornamental Iron Fence Post Cap for 2" x 2" Rounded Corner Fence Posts - AKA Wrought Iron Fence Post Cap 2" x 2" Ornamental Iron Fence Post Cap Designed for 2" by 2" Rounded Corner Fence Post Gives Your Ornamental Fence Post a Finished Look and Keeps Water/Snow Out for Longer Fence Life Post Cap is Black Powder Coated to Prevent Red Rust. This is the Most Common Size Wrought Iron Fence Post Cap Size. Fence Post Cap Fits Securely on Post Ornamental Wrought Iron Post Cap is Black Coated Steel for Years of Life Expectancy.