The Oxford Instrument Box is a comprehensive mathematical geometry set featuring high-quality measuring and drawing tools. Packaged in an elegant metal tin with classic Oxford branding, this set contains essential instruments for mathematical and technical drawing. Key features: • Metal storage tin with vintage Oxford design • Precision compass set with two pieces • 180-degree protractor • Two geometric triangles/set squares • 15cm ruler • Pencil, eraser and sharpener included • Professional-grade mathematical instruments The set comes in a durable metal case featuring the Helix Oxford Mathematical Instruments branding with an architectural illustration. All instruments are precisely engineered for accuracy in mathematical and technical drawing applications. The geometric tools are clearly marked with measurements and angles for ease of use.