Keeps Squirrels and Jays busy and away from other feeders! Easy to fill! The outside diameter is 33cm .The inner diameter is 18cm .The diameter of the spring only is 7cm .* The outside diameter is 33cm .
* The inner diameter is 18cm .
* Keep the squirrels busy and away from other feeders
* Fill with whole peanuts and hook to hanger
* Feeder wire coil is on wire ring with hanger