HILLMASTER 6x6 Post Caps for 5.5x5.5 Wood Fence Posts - Waterproof UV-Proof PP Plastic Deck Cap, 12 Pcs, Black

Protect and Enhance Your Outdoor Wood Posts

Hillmaster 6x6 post caps are designed to shield wooden fence posts from the elements, while adding a clean, modern finish to your yard. The matte black cap delivers a subtle, contemporary accent that blends with most fencing and deck styles. Built for outdoor life, these caps feel smooth to the touch and sit neatly atop each post, creating a cohesive, finished look as seasons change.

Key benefits at a glance

• Protection from moisture, rain, and sun exposure helps reduce visible wear such as fading, cracking, and surface scratches.
• Durable construction uses premium PP plastic with a matte black powder-coated finish for long-lasting aesthetic and weather resistance.
• Designed to fit 5-5/8" x 5-5/8" internal dimensions on nominal 6x6 posts (actual range roughly 5.5" to 5.625" square posts).

Rugged, weather-ready design

• UV and heat resistant to stay looking good in sun-drenched or shaded areas alike.
• Waterproof and impact-resistant construction supports outdoor use on fences, decks, stairs, and more.
• Pyramid-style geometry aids drainage and adds decorative depth without overpowering your fencing.

Easy fit and simple installation

The caps sit securely on the post with pre-drilled holes for quick mounting. Each cap is paired with mounting screws that help you finish installation cleanly and efficiently, so you can move on to enjoying your space sooner.

What you get and where it fits

• Internal dimensions tuned for nominal 6x6 posts (actual 5.5"–5.625" square posts).
• Overall height about 1.97" with a slim 2 mm sidewall, designed to sit neatly without crowding the post face.

Ideal for protecting outdoor wood posts on fences, decks, stairs, mailboxes, lamp posts and piling posts. This set provides a practical, tested way to extend the life of your wood and maintain a polished, finished look across your exterior projects. While results can depend on climate and soil conditions, many users report a noticeable improvement in post longevity and curb appeal with regular use of post caps.