Adjustable leg ring: the foot ring contains 6 loops, the inner diameter is about 2-2.4cm. The ankle ring can be retracted depending on the size of the animal. Only one is enough to use without replacement. Identify different ages, breeds, hens roosters marked. Suitable for breeds of poultry, ducks, chickens, hens, etc. Our leg ring contains 100 monochrome, containing 001-100 number markers, you can use it to classify different poultry, enough. The numbers strips keep them bright enough to make your chickens easy to find ducks. Using high quality plastic materials, easy to disassemble, sturdy, safe Color: orange Coded: 001-100. 1*100 pcs/set foot ring. Size: Size Inner diameter: about 2-2.4CM, can be adjusted within a small range, suitable for poultry about 1kg - kg. Material: plastic. Name: poultry foot ring tag. Product List:. Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3cm error due to manual measurement. pls make sure you don't mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item.