Weight-activated perch closes off ports under squirrels' weight. Durable, all-metal construction stands up against squirrels. Removable roof and large opening for easy filling. Powder-coated finish provides rust resistance and durability. Can be hung or pole-mounted (3/4" pole) for versatile placement. Holds up to 8 lb of black-oil sunflower seed, hulled sunflower seed, mixed seed, or safflower seed