- Professional tool for achieving exact proportions in artworks and technical projects - Adjustable scale from 1:1 to 5:1, ideal for drawings, sketches, architecture, and design - Length of 25.5 cm, compact and easy to carry - Includes scratch-resistant leather case for greater protection and durability - Made with durable materials, ensures long service life - Easy to use: transfer measurements and proportions with professional precision - Perfect for artists, students, architects, and designers seeking precise results - Provides balance and accuracy in artistic and technical compositions