product description: 1. Heavy duty and dustproof: With sturdy aluminum alloy and nylon pulleys, durable and rust-proof, you can use it for a long time, 2. The main body of the product is pressed by cast aluminum, without bubbles and sand holes inside, the surface is sandblasted or powdered, and the pulley is made of high-quality nylon, which is wear-resistant and not easy to rust. 3. Easy to raise and lower the flag: The flag cap is to lift the flagpole. The most important part of the system, with the help of nylon pulleys, can easily raise and lower the flag. 4. Suitable for flagpoles with an outer diameter of 2 inches (50.8mm). 5. Advantage: At the top of the flagpole, the truck helps to lower and raise the flag.