Grinsvalley 4 Pack 4" Square Light Pole Top Cap Plastic with Four Bendable Steel Straps Fencing Lamp Post Finishing Inserts, Black

["Fits 4\" Square Poles 3‑1/2\" to 3‑7/8\" Inside Square Tubing: perfectly designed for 4 inch square outside diameter poles with 3‑1/2\" to 3‑7/8\" square inside dimension, ensuring a tight and secure fit for your fence, deck, or outdoor post projects","UV Resistant Weatherproof Material for Long Outdoor Durability: made with heavy duty UV stable material to prevent fading, cracking, and aging, ideal for long‑term outdoor use in all weather conditions","Easy Tool‑free Installation for Quick DIY Setup: features a user friendly design for hassle‑free, tool‑free installation, saving time and effort for both DIY homeowners and professional installers","Compatible with Sharp Corner Small Radius Square Tubing: specifically engineered to work with sharp corner and small radius square tubing, providing a universal fit for most standard square post applications","Sturdy Reliable Protection for Square Posts Fencing: offers reliable support and protection for square fence posts, deck railings, and outdoor structures, enhancing stability and extending service life"]