Mudder Hummingbird Feeder Cleaning Brushes - Small Brush Set (5 Pack) Set of 5 little brushes design for cleaning hummingbird feeders Perfect tool for cleaning hummingbird feeder hole and tube, getting hard to reach feeder parts Premium Materials: Good quality nylon bristle , PP handle, 304 stainless steel Optimal Size: Product length 6.8 inch, brush head length 0.9 inch, suitable for diameter 0.04-0.2 inch hole, 0.08-0.2 inch tube Necessary tool for hummingbird lovers, join us to eliminating mold in hummingbird feeder