The Faber-Castell Torus Mathematical Drawing Instrument Box is a high-quality geometry set housed in a sleek red metal case. Designed for mathematical and technical drawing, this professional instrument set comes from the renowned Faber-Castell brand, established since 1761. Key features: • Durable red metal storage case • Professional mathematical drawing instruments • Torus series design with geometric artwork • Compact and portable size • Made by Faber-Castell, a trusted brand since 1761 The case features an artistic geometric design with mathematical elements and shapes on a red gradient background. The Torus series name indicates this is a specialized set for mathematical and technical drawing applications. The metal case helps protect the precision instruments inside while making them easily portable for students and professionals.