Fitted with a high tensile spring, when weight is put on it, the slinky lowers to the ground.
Simple and effective.
Use for pole mounted bird feeders and nest boxes.
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Editorial Reviews and Product Descriptions
Product Description
Features: Squirrel Slinky. 20" long, fits 1" diameter poles. Fitted with a high tensile spring, to keep climbing critters from reaching pole mounted bird feeders and nest boxes.