Aluminium post cap for square post; different sizes; powder coated,copper plated, or cataphoresis;accept custom-made products. ... contact for more information!1, 2",4" and some other sizes are available;2, Accept custom-made products;3, Different surface ... . We welcome you to contact us for more information! Different sizes Decorative Costom-Made Metal Post Caps,Ornamental Aluminium Fence Post ...