The Stokes Select 3 in 1 Platform feeder is the most vesatile feeder - Multiple ways to feed birds. Open design to view birds from any angle. Mount to bird feeder pole or hang from any Stokes Select accessory. Mount with ground post for feeding squirrels, critters and ground feeding birds. Durable, metal construction with weather resistant finish. Removable grid for use ot keep larger birds from -Inchthrowing-Inch seed on the ground, remove grid when feeding squirrels and critters.