This vintage millimetre to inch convertor is a must-have collectible for any engineering or surveying enthusiast. Made in Switzerland, it is a retro piece that will add character to any collection. The roll type millimeter converter is in good working order, making it a valuable addition to your scientific collectables.

The converter is perfect for any math-related tasks and is an ideal tool for those who appreciate precision and accuracy. This collectible is not to be missed by any serious collector and is sure to be a conversation starter.