With NeverFurl Set includes two devices that you can fly your flag all day long, every day of the year, and the wind will never wrap your flag around the flagpole. The NeverFurl kit is easy to install and comes complete with everything needed including instructions and detailed drawings. No additional tools are required. The design of the NeverFurl device allows each rotators to work independently with the wind by moving up and down and rotating around the pole thereby eliminating flag wrapping. Works with all flag sizes regardless of changes in wind speed or wind direction.