SBD's 6" OD Square Black Light Pole Top Cap | Glass-Reinforced (UV n Weather Resistant) Polyester Tubing Plug W/Four Bendable Steel Straps Fits 6" square tubing with sharp corners and inside measurement of 5-1/2".

 Made in USA By Deltech Manufacturing

6" Square Black Plastic Light Pole Top Cap Tubing Plug ' Glass-Reinforced Plastic ' W/Four Bendable Steel Straps for Snap-in Plug with Four Metallic Bendable Straps, Square, for 5.5" x 5.5" Inside. Our Pole Cap is designed to fit a wide range of applications, from Outdoor Lighting Poles, Basketball goal posts, plastic or metal fence posts, and any other product needing protection from the weather. Our cap is designed to work in outdoor environments and is made from UV stable materials so it will last a long time. They are designed to easily snap into the top of the pole and lock into place with specially designed metal straps. This allows for use in a wide range of tube or pipe thicknesses.