Product Size: Anti squirrel spring coil guard, diameter x height 6 cm x 5 cm/2.36 inch x 1.97 inch, the height can be extendedPremium Material: Premium spring steel squirrel barrier, is flexible, weatherproof, sturdy, and ensures a long time to useEffective Barrier: The squirrel baffle is mainly used to protect bird feeders hung on outdoor poles. It is a useful tool to keep squirrels away and prevent them from climbing to the topHigh Elasticity: This Bird House guard has good elasticity and rust resistance, suitable for most bird feeder polesEasy Installation: The anti squirrel spring device is easy to install, just hang 1 end on the top of the pole and let the other end drop naturally Specification: Material: Spring steel Package Includes: 1Squirrel Baffle Note: Please allow slightly errors 1-2cm differences due to manual measurement.