Brass Material: Nautical Brass Navigation Divider is made from brass, this divider is designed to last, providing reliable and accurate measurements over time Usage: This Nautical Brass Divider is ideal for single handed line drawing and maritime navigation. It makes an good gift for architecture or engineering learners Compact Size: This nautical divider is compact yet functional, making it easy to handle and carry around Packaging List: Each package contains 1 brass divider, ensuring you have the necessary tool for precision measurements and drawings Ideal Gift: Whether it's for studying architecture or engineering or a professional in the field, this nautical brass divider serves as the ideal gift that combines practicality with sophistication Specification: Material: Brass Package Includes: 1 Nautical Brass Navigation Divider Note: Please allow slightly errors 1-2cm differences due to manual measurement.