Package includes 10/25/50/100 pieces key rings with screw pin ends (Just choose the "How Many" you want) Perfect for DIY Home/Car Key rings, Crafts toys，Key fobs and Fishing Length: Approx. 60mm Keyring Diameter: Approx. 25mm Screw pin end length: Approx. 10mm Material: Alloy Metal, Nickle plated Color: Silver Note: If you need lots of key rings, you could contact us to customize the size and material.