Squirrel Proof Sliding Cover Nut Bird Feeder by

This high quality wild bird squirrel proof nut feeder has a simple, effective mechanism that uses gravity to protect your bird seed from the squirrels. It works in a 3 step process: the squirrel approaches from above; the squirrel attempts to climb on to the feeding section; the squirrels body weight lowers the protective sleeve saving seeds for the birds. The high strength and quality construction in stainless steel and aluminum means your feeder is virtually indestructible by squirrels sharp