Hook lengths range from short pole-mounted hangers of about 12.2 inches up to tall freestanding shepherd’s hooks roughly 84 inches high.
Some pole-mounted hook kits fit pole diameters in the roughly 0.8–1.2 inch range, and there are versions specifically designed to work with standard 1‑inch poles.
Many pole-mounted hanger hooks install quickly without disassembly or special tools; they typically secure with included butterfly screws and nuts that can be hand-tightened. They also allow height adjustment and rotation to improve viewing angles and placement.
Options include pole-mounted hangers that keep feeders away from ground pests and add-on accessories like ant moats and bee‑proof bases that block crawling or flying visitors.
Hanging glass feeders in this selection commonly hold in the high‑20 to mid‑30 ounce range, with examples listed at 28 fluid ounces and 34 ounces.
Many glass feeders have wide mouths and two‑part bases for easy filling and refilling; they’re often described as easy to clean by hand‑washing, and some are dishwasher‑safe.