100Pcs 8mm Identification Opening Leg Foot Rings for Poultry Birds. Description: The rings split in half on a small hinge making them easier to put on the leg. They are used for identifying similar looking birds or poultry. Made of plastic material, the rings are durable. The diameter of the product is 8mm. It is suitable for various poultry, birds, hens, ducks, etc. Item Name: Poultry Leg Ring Material:Plastic Size Details: Diameter: 8mm/0.31in Notes: The quantity is about 100pcs, due to manual calculation, the quantity might has 1-5pcs more or less, hope you can understand, thank you. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 100 X Poultry Leg Rings