You will be thrilled with the abundant activity at this feeder! Fill each of the three tubes with a different seed blend to attract a variety of hungry birds. The all metal design will keep squirrels out but let a wide variety of birds in! The locking top and metal cage prevents the clever pests from getting to the tubes — keeping your seed safe! Three tubes, each with two feeding ports, can be filled with different seeds or mixes (except straight Nyjer seed) to attract a wide variety of birds. Holds approximately 6 lbs. of seed. 10-1/2 inches in diameter, 17-3/4 inches tall.