Caged 6 Port Seed Tube Feeder. Caged tube feeders come fully assembled, satisfaction guaranteed. May be mounted on a 1 in pole - no bracket required. Squirrel resistant. Powder-coated metal grids make it easy for birds to feed and move around, while protecting them from predators. Mixed seed feeder. 1 1/2 in grid. 1.25 lb seed capacity.