Hillmaster 6x6 Post Caps for Wood Fence Posts – Waterproof, UV-Proof, 4-Pack, Black

Protect and finish outdoor wood posts with Hillmaster 6x6 Post Caps

Hillmaster 6x6 Post Caps are designed to guard wooden fence posts from the elements while delivering a sleek, modern look to your yard. Built from durable PP plastic with a matte black finish, these caps help create a cohesive, finished appearance for fences, decks, and outdoor structures.

Durable, weather-ready construction

Designed for outdoor use, the caps boast waterproof and UV-resistant properties to help reduce fading and wear. The rugged build resists everyday exposure, including sun, rain, and moisture, while maintaining a clean, contemporary silhouette that complements most wood tones.

• Waterproof and UV-resistant shell helps reduce weathering effects over time
• Matte black powder-coated look adds a refined, low-maintenance finish
• Impact-resistant and heat-tolerant for outdoor environments

Fit, size, and compatibility

These caps fit nominal 6x6 posts, with an internal opening of 5-5/8 inches by 5-5/8 inches. They are designed to accommodate posts up to about 5.625 inches square, ensuring a snug sit on standard square wooden posts. The pyramid shape aids drainage and adds a decorative touch.

• Internal size: 5-5/8" x 5-5/8" (fits nominal 6x6 posts)
• Actual post opening up to 5.625" x 5.625"
• Cap height: 1.97" (5 cm); sit depth: 0.63" (1.6 cm)

Easy assembly for real-world use

Installing is quick and straightforward. The caps come with pre-drilled holes and matching screws, so you can secure them to wooden posts in minutes without special tools.

• Includes 4 caps and 8 screws for multiple posts
• Pre-drilled holes align easily with the screws for a clean finish
• Simple, no-fuss installation suitable for fences, decks, stairs, and posts

What you can expect in everyday use

Beyond a polished look, these caps provide practical protection for outdoor posts—from guarding against moisture intrusion to reducing surface scratches on the cap itself. They’re suitable for a range of outdoor posts, including fences, decks, mailboxes, lamp posts, and piling posts.

• Ideal for wood fences, decks, stairs, and other outdoor posts
• Helps seal the top of posts from weather-related wear
• Low-maintenance, durable design with a timeless black finish

Note: Please measure your post size before ordering to ensure a precise fit.