30mm outside diameter brass key ring
The short style is about 9.5cm in length (without the keyring) and the leather width is about 9.5mm
The long style is about 8.2cm in length (without the keyring) and the leather width is about 9mm
Note: The hardware fittings are all copper, and normal use will produce a coating effect. If you don't use it for a long time, store the hardware in a sealed container to avoid oxidation.