Modeled after the iconic key of an old Skultuna product. Skultuna's keychain series is made of gold-plated and polished steel. The Skultuna brand was founded in 1607 by King Charles IX of Sweden as a brass foundry. Today, Skultuna is one of the oldest companies in the world and still purveyor to the Swedish royal family. For over 400 years. Skultuna has been producing products of the highest quality for everyday use and for special occasions. Material: Polished steel Dimensions: Ø1.6 cm