Inspired by the wingtip markings of the World Air Force. Bomber version 2 is smaller and more colorful than the original Series 1. Ø15.5mm. The brand Skultuna 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. Colour: Blue/Light Blue Material: 316L Steel Silver Plated Dimensions: Ø1.55 cm