20-Pack Aluminum 4x4 Post Caps for Deck Railing(Actual 3.5" x 3.5"), Fence Post Caps with Screws, White Pyramid Deck Posts Cap for Wooden Rail, Waterproof Metal Deck Cover for Mailbox

Description:

【Aluminum Alloy with Double-Layer Coating】: Crafted from premium solid aluminum, our post caps feature a dual-process surface treatment—first electroplating then powder coating—for ultimate corrosion and rust resistance.

【Decorate and DIY Your Posts】: Featuring a elegant matte white frosted finish, our post cap adds a sleek, modern touch to wood post, vinyl post, or composite post. The subtle texture not only looks premium but also provides excellent paint adhesion, allowing you to DIY the color with paint to match your deck post or holiday themes. Easily elevate the personalization of your railing post top with this simple design.

【For What Size?】: With an inner dimension of 3.6”x3.6”, these 4x4 post caps fit actual 3.5”to 3.6”wooden posts(The 3.6" internal width allows for slight oversizing of standard 3.5" posts due to manufacturing variations). The simple two-step installation can save you time, and the rounded edges also increase safety during installation and use.

【Pyramid Design for Better Protection】: Featuring a pyramid structure, this fence post cap shields wooden post tops from rain, wind, UV damage. The sloped surface promotes quick drainage of rain and snow, preventing moisture buildup, extending the life of your outdoor rail posts.