Myard PNP114040 4X4 (Actual 3.5X3.5) Inches Post Base Cover Skirt Flange with Screws for Deck Porch Handrail Railing Support Trim Anchor (Qty 4, Black)Please read full description before order. Perfect for deck supports, porch railing, hand rails and post holders. Also, can be used as table leg mailbox post support brackets. Fits a nominal standard 4"x 4" post (actual 3. 5"x 3. 5" dry post on market). Sanding trimming may be required depending on post type and little size error. POST HEIGHT LIMIT: 60" (5 feet), NOT for roof support Made from paintable durable Nylon + Glass Fiber. NO fading, aging,