Poly Bird Feeder / Mailbox Mount Adapter – 4×4 Post HDPE Mounting Bracket by Cauff

Secure, Weather-Resistant Mounting for Bird Feeders, Mailboxes & More Need a sturdy way to mount your bird feeder, mailbox, or small outdoor accessory? The Cauff Poly 4×4 Post Mount Adapter is built from heavy-duty, weather-resistant HDPE — a built-in solution that keeps your feeder or mailbox secure and stable on any standard 4×4 post. ✅ Key Features Durable HDPE Construction — High-strength, weather-resistant HDPE plastic resists moisture, rust, rot, and UV exposure — ideal for year-round outdoor use. Universal 4×4 Post Fit — Designed to attach securely to standard 4″ × 4″ wood posts — no specialized hardware needed. Multi-Use Mounting Adapter — Perfect for bird feeders, mailboxes, small bird houses, or other outdoor accessories. Easy Installation — Mounts easily with included stainless steel screws/bolts (or standard hardware), and holds securely under heavy weather conditions. Compact & Lightweight — Minimal bulk while maintaining strong structural sup