This ground sleeve is made out of 1/4 inch PVC pipe. It is designed for in-ground fiberglass flag pole installation. The PVC pipe inside diameter should be larger than the outside diameter of the flagpole.
PVC I.D. sizes recommended for ground sleeve:
- 5-1/2 in. I.D. for 20 ft. poles
- 6 in. I.D. for 25 ft. poles