Utility Tools: Flagpole retaining rings are used to position the base of the flag as close as possible to the flagpole's interior yard system to help raise and lower the flag; reduce tension on the flag's grommets, which helps extend the life of the flag; tilt the flag on the flagpole flagpole to avoid deformation in strong winds HIGH QUALITY: Retention rings are made from 0.98inch diameter beads; balls hang from steel aircraft cables; ends are wrapped around stainless steel and secured with aluminum or copper Fits Size: Flagpole retaining ring fits 2 to 3 inch diameter flagpoles; you can measure the base diameter of the flagpole to determine the size you need Colour:White Material:ABS Package Contents: 1 set of flagpole beads Only the above package content, other products are not included. Note: Light reflection 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.