I'm using this spring with a Wilson 4' antenna and it works great. The spring gives the antenna just the right amount of give to get out of the way of tree branches and parking garages. However the antenna does not sway like crazy when driving which is what I did not want.
![CB Antenna Springs (Heavy Duty) [Firestik SS-3H]](bmz_cache/e/e62fbb350cc3dc6c5ef77a67921f572a.image.34x120.jpg "CB Antenna Springs (Heavy Duty) [Firestik SS-3H]"){kind=small}
