Have you experienced this? You're on the construction site or in the workshop and need to mark a 45° or 60° angle, but you don't have a protractor on hand. Then this folding rule is the ideal helper for you: With the integrated angle diagram, you can easily and quickly create and transfer commonly used angles on the job site. The ruler is made from high-quality beech wood sourced from sustainable forestry. The maintenance-free, fiberglass-reinforced polyamide joints ensure effortless locking. STABILA folding rules – always a good choice.