- Lightweight plastic construction for easy handling and portability - This multi-purpose ruler includes geometric drawing templates, with clear, precise measurement marks and detailed accident-scene stencils - Portable and accurate for precise technical drawings - Ideal for students, teachers, artists, engineers and professionals who need precise depictions of accident scenes or geometric designs in classrooms, schools, offices or field investigations - Widely used for creating scaled accident-scene sketches, geometric drawings, architectural plans, or mathematical drawings in school, office or on-site accident reconstruction scenarios - Includes multiple accident symbol templates and precise centimeter and inch scales to improve efficiency in technical drawing and craft projects Use scenarios - In a classroom or lab, draft accurate geometry diagrams and accident-scene sketches for coursework or projects - In field work, investigators sketch scaled accident scenes during on-site reconstructions - In an office or studio, architects, engineers or designers produce scaled plans or mathematical drawings