Flat rate $10 SHIPPING saves you $$$ on larger orders! Safety-lock hook secures feeder. Brass rod in this bird feeder means dependable durability. Rain guard with O ring ensures dry seed. Collet Technology adjusts dome position on brass rod. 15" diameter adjustable dome protects seed from weather and thwarts large birds and squirrels. Articulating design means that a squirrels' weight on the dome of this bird feeder displaces the location of feeder below, and the sqirrels can't get at teh seed! UV stabilized polycarbonate won't yellow with age, it's dependably durable. Seed bowl provides spacious feeding area. 8 feed ports perfect for clinging birds. Safety-lock hook can hold suet or another feeder Squirrel resistant and small bird selective feeder.