Upgrade and protect your outdoor posts with this heavy‑duty cast aluminum post cap, engineered to fit three standard post sizes: 4"x4", 3.5"x3.5", and 3.25"x3.25". Its durable construction stands up to weather and everyday wear, while the sleek, modern profile adds a touch of style to fences, decks, and entry posts. Designed to prevent water intrusion and post decay, this cap delivers long‑lasting performance with minimal maintenance. Simple to install and built to last, it’s the perfect finishing detail for any outdoor project
Designed to fit a variety of 4x4 Posts: For 4”x4”, 3.5”x3.5”, or 3.25”x3.25” posts--adapters included. *Please measure your post before ordering for the best fit.
- 3-1/4": For post measuring 3.25" square (use adapter)
- Opening measures 3-5/16" x 3-5/16"
- 3-1/2" for nominal 4x4 wood posts measuring 3-1/2" x 3-1/2" (use adapter)
- Opening meausures: 3-5/8" x 3-5/8"
- 4": for posts metal or vinyl posts measuring a full 4" square
- Opening measures 4-1/8 x 4-1/8"
Easy to install. Slips over the top of your post. Add or remove adapters as needed. Use the 2 included color-matched screws to secure the adapters (if needed) and install to your post.
Also available for 5x5 to 6x6 Post :
Shipping: This item typically ships by the next business day via UPS. Please provide a physical shipping address to avoid shipping delays.
Product Details:
- Qty: 1 metal post cap
- Will fit over an actual 4”x4”, 3.5”x3.5”, or 3.25”x3.25” post
- Product size: (LxWxH) 5.5" x5.5" x 1.9"
- Opening height about 0.8". Slightly less with adapter installed.
- Quick and easy do-it-yourself installation
- Made of solid cast aluminum
- Durable powder coating with a matte finish in Black, Brown or White
- One-year manufacturer warranty
- Manufacturer: Classy Caps