IMPROVED PRECISION TOOLS - Made to improve productivity, this ruler features a clear, accurate scale with metric measurements, accuracy in every use High Contrast Marking - Adopting advanced high contrast technology black and white marks are easily readable for precise measurements during use Wide range of uses: designed for civil engineering interior design teaching drawing and related areas providing consistent support for multiple tasks that require precision and versatility Excellent Present - Made to be a gift for designer engineers and students This ruler helps sketches and technical drawings effortlessly Great material: using top-level materials, the ruler achieves high hardness, rust-proof and wear-resistant characteristics, making it reliable for long and frequent use, Manufacturer: MRKU