Hook Iron Crafts Outdoor Rust Proof Courtyard Insertion Hook Detachable Hook Features: Durability: bird feeder hooks are typically made of sturdy metal materials such as stainless steel. This material has strong resistance and can resist the erosion of natural environments such as wind, rain, and sun exposure. Even if used in a humid outdoor environment for a long time, it is not easy to rust, thus ensuring the structural stability and service life of the hook. : From the perspective of material , the material used for the hook must not contain any harmful chemicals to birds. For example, some inferior metals may contain heavy metals such as lead, , etc. If these substances come into with bird food or bodies through hooks, they can cause serious harm to the health of birds. Therefore, and materials are important selection for bird feeder hooks. Load bearing capacity: The structural of the hook should be determined based the weight of the bird feeder. Generally speaking, it requires a bird feeder that can withstand a certain weight and birds that may attach to it. For example, for a large bird feeder filled with , the load-bearing capacity of the hook may need to several kilograms or even more. Stability: The shape and structure of the hook should ensure the stability of the bird feeder when suspended. It may be designed with multiple points, such as hook and some auxiliary hooks or slots, which can firmly fix the bird feeder the hook and it from shaking when the wind blows or birds peck at it. Universality: A good bird feeder hook should have strong versatility and be suitable for various support structures. It can be conveniently installed tree branches, railings, window sills, and other locations. For example, some hooks are equipped with adjustable clips or straps that can adapt to branches of different thicknesses or railings of different shapes. Product Description: Include：1×couple