Fun and fun experience: if the squirrel or raccoon tries to climb the pole to eat the food, the spring mechanism will start to stretch, keep the animal away and stop them from climbing to the top, they will make interesting movements for your fun Suitable size: the outer diameter ...Fun and fun experience: if the squirrel or raccoon tries to climb the pole to eat the food, the spring mechanism will start to stretch, keep the animal away and stop them from climbing to the top, they will make interesting movements for your fun Suitable size: the outer diameter of the spring device is 58-60mm and the height is about 48-50mm, it can be installed on various styles of hooks without adjustment, just install the spring on the top of the support rod, which is simple and convenient Provide a stable feeding place for birds: The metal spring device has good elasticity and can be stretched to a sufficient length to keep a sufficient distance between the bird feeder and the squirrel, so that the birds can eat food, thus providing a healthy environment for the birds species provide stable foraging grounds for those birds What you will receive: You will get 1 outdoor bird feeder accessory, enough for you to choose and use, it will bring more fun to your yard and life, you can also share with your friends RELIABLE MATERIALS: Our bird feeders are made of high-quality metal that won’t wear out or break easily, and the smooth edges won’t hurt your hands and animals, allowing you to use them for long periods of time with confidence