Anti-wrap design: the flag pole rings are deigned with a 360 degree rotating anti-wrap ring, which allows flags fly freely in the direction of the wind, and preventing the flag from wrapping around the flagpoleMaterial and size: our flag pole rings are made of aluminum alloy, durable and no rust for you to use with a long time; The inner diameter of ring is 1 inch, so it's fit for 1 inch diameter flagpole, measure the diameter of your flagpole carefullyEasy to install: you just need to install the 4 aluminum alloy mounting rings to the flagpole, then attach the top/ bottom grommets of the flag to the hook located on the rings, and then adjust its position on the flag poleCrafted equipment: there are 4 pieces hooks for you hanging the between the flagpole ring hole and the flag grommet, which help you to connect the flagpole and flag, let you apply more easilySize:the inner diameter is 1 inch/ 2.54 cm, the outside diameter is 1.46 inches/ 3.71 cm and the height is 1.18 inches/ 2.99 cmColour:blackMaterial:Aluminum alloyPackage Contents:4 x Anti-wrap flag pole4 x hooksOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.