Take post protection all the way to the top with the all-new, end-grain protecting, Fence Armor Post Cap. Made entirely in North America using American steel and finished with Fence Armor's signature, premium powder-coating for a beautiful, high-quality design that will last for years without rusting. This unique post cap will fit posts between 3-3/8" to 4-1/8 inches and will provide a snug, custom fit without external fasteners. Fence Armor's patent-pending Cap Claw technology uses 2 self-adjusting underside stainless steel prongs to stabilize and lock the Post Cap to the top of your post. To further enhance the look of your post caps, check out Fence Armor's range of 6 interchangeable decorative finials that simply screw on-top of this Post Cap.