Stop racketeering squirrels in their tracks with the Squirrel-X™ 18-inch Squirrel Deflector. When installed correctly with the included coupler, the durable steel baffle prevents pole-climbing squirrels from accessing bird feeders, protecting birdseed and saving you money! Compatible with posts from 1/2 to 1-1/4 inches in diameter, its unique wrap-around design means easy installation, any time. With a large 18-inch diameter, the Squirrel-X™ Squirrel Baffle is your defense against squirrels.