About this item\n--Iconic and reliable with its iconic metal embossed tin featuring the Helix Oxford logo, this 10-piece set is a timeless classic that has been trusted by generations of mathematicians and students\n--Comprehensive set: This comprehensive set ensures you have all the essential tools to excel in your mathematical endeavours. This maths set is meticulously crafted to meet the highest standards. Inside the traditional metal tin, you'll find a self-centring metal compass for precise circles and arcs, a 9cm graphite pencil designed for use with the compass.\n--Essentials: You will also find an eraser for clean and effortless corrections, a pencil sharpener to keep your pencil perfectly sharp, and a 15cm/6\"" clear ruler with metric and imperial graduations for accurate measurements.\n--Versatile and essential tools: The Helix Oxford Maths Set goes beyond the basics. It includes both 45\u00B0 and 60\u00B0 set squares for constructing geometric shapes, a 180\u00B0 protractore