Copper Post Cap for Standard 4x4 Wood Posts • Precision Fit for 4x4 Posts (Actual 3.5 x 3.5 inches) Engineered to fit nominal 4x4 wood posts that measure 3.5 inches across. Compatible with materials including pressuretreated pine, cedar, and redwood for seamless installation. • Solid 20Gauge Copper Construction Crafted from 100 percent real copper for lasting durability and authentic style. This is not painted or plated metal — it is pure copper designed to perform and age beautifully over time. • Secure 3/4Inch Skirt and Distinctive Pyramid Peak A deeper skirt creates a tight, secure grip on your post to help prevent loosening. The elevated pyramid peak adds dimension and a refined finish to any fence, deck, or outdoor structure. • Natural Weathering for Timeless Appeal Copper develops a rich green patina naturally when exposed to the elements. Unlike coated metals, it will not peel, chip, or fade, giving your outdoor space enduring character year after year. • Recommended Applications Ideal for protecting and finishing fence posts by preventing water intrusion and reducing weather damage. for upgrading deck railing posts with a stylish, upscale accent. Suitable for use on pergolas and garden structures where both performance and appearance are valued. This copper post cap combines precise sizing, quality materials, and a secure design to enhance and protect your wood posts while adding a touch of lasting elegance.