The Vogel 1794300080 is a precision steel ruler designed for professional measurement applications in technical and industrial environments. This Type B phase ruler features a length of 800 mm with millimeter graduations, a width of 40 mm, and a thickness of 5 mm, providing a stable and durable measuring tool for accurate dimensional assessment. Constructed from high-quality steel, this ruler offers excellent resistance to wear and deformation, ensuring long-term reliability in demanding workshop or laboratory conditions. The clear millimeter markings facilitate precise measurements with minimal reading error, while the substantial thickness enhances rigidity for consistent results across the entire length. The 40 mm width provides a stable base for marking and measuring operations, making this tool suitable for layout work, quality control, and technical drawing applications. This measuring instrument is part of the Vogel range of professional measurement equipment, designed to meet the requirements of precision engineering and manufacturing processes. The steel construction ensures dimensional stability across varying environmental conditions, maintaining accuracy over extended use. With its straightforward design focused on functional performance, this ruler serves as an essential tool for technicians, engineers, and craftspeople requiring reliable linear measurement capabilities. The product dimensions of 800x40x5 mm offer an optimal balance between measurement range and handling convenience, suitable for both benchtop use and portable measurement tasks. The Type B designation indicates specific graduation characteristics optimized for phase measurement applications in technical contexts. This measuring tool represents a practical solution for professionals seeking durable, accurate measurement instruments without unnecessary complexity.