Wooden Fence Post Caps

Protect your 4x4 (3 5/8”) fence posts with our black plastic post caps. Despite being called 4x4 posts, they actually measure 3 1/2 inches by 3 1/2 inches. However, once planed, each side will be around 3 5/8 inches.

Our plastic post caps are constructed from high-quality, durable plastic that can withstand extreme weather conditions. They are UV and heat-resistant, impact-resistant, and waterproof, ensuring they will last for years to come.

Wooden fence posts can last a long time, but their exposed end grains are vulnerable to moisture, which can significantly reduce their lifespan. Our low-profile plastic caps provide a simple yet effective solution to this problem.

Specifically designed for 4x4 wooden posts, our matte black pyramid caps have an interior dimension of 4" x 4". They are perfect for rough lumber posts measuring 4" x 4" and are not suitable for other post sizes.

If you're unsure about post cap sizes, our guide can help clarify any confusion. Match the listed measurement to the size of your rough lumber or undressed post - for example, a 4" x 4" rough lumber post requires a cap designed for a post measuring 4" x 4". By choosing the right size cap, you can ensure a perfect fit and maximum protection for your fence posts.

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