The Erva 22" Wrap-Around Disc Baffle is a flat 22.5" steel disc that wraps around a 1/2"–1" feeder pole to stop climbing squirrels. A tab-and-slot closure means no tools and no taking feeders down. Key Features 22.5" disc: wide enough to stop climbing squirrels. Wraps around the pole: tab-and-slot closure; no tools. Fits 1/2"–1" poles: including Erva 1" poles. Metal mounting collar: included. Galvanized steel: black powder coat resists rust. Made in the USA: unconditional lifetime guarantee against defects. Specifications Diameter 22.5 in Pole fit 1/2"–1" diameter Weight 4.2 lb Material Galvanized steel, black powder coat SKU SB6 Made in USA (Erva, Chicago, Illinois) Setup & Care Tips Mount the baffle at least 4 ft off the ground. Keep the pole 8–10 ft from trees, roofs and fences. Set it below the feeders on the pole. For raccoons, use a long cylinder baffle instead. FAQ Do I need tools?No. It wraps around the pole and locks with a tab and slot. Will it fit my pole?It fits 1/2" to 1" round poles. Disc or cone?Both stop squirrels; a disc is flatter and wider. Will it stop raccoons?For raccoons, the Erva Domed Cylinder Baffle works better. Tip: Building a station? Start with an Erva 74" Feeder Pole and Erva Twist Auger Ground Socket.