This unit offers versatility in securing a standard suet block. Affix it tightly to a 7/8" or 1" feeder pole with the clamp that's included or hang it from a hook or limb by the handle. 1" x 1/2" openings prevent squirrels' larceny. Accepts a standard suet block. Measures approximately 5" x 5" x 1-1/2". Heavy, green plastic-coated wire.