Ensure your Coleman camper remains securely pitched with our Tent Pole Duck Bill, designed specifically for Coleman or Fleetwood tent poles. Crafted from durable, weather-resistant plastic, these duck bills are essential for maintaining the stability and integrity of your tent setup in various outdoor conditions. Universal Plastic Tent Pole Duck Bill for Pop-up Campers. Replacement for Part Number: 4757-1351. This duck bill attaches to the ceiling end of the shepherd's hook or tent support pole.