10-piece maths kit designed for geometry students or anyone looking to practise general maths skills Includes 2 metal study compasses, 2 triangles (45° and 30°/60°), a 15.2 cm ruler, a 10.2 cm protractor, a pencil for the compass, a pencil sharpener, a lead refill for the pencil and a rubber Durable compasses made of sturdy metal for reliable performance (won’t bend or flex while in use); ergonomic compass head provides a comfortable hold Reusable break-resistant carrying case included for secure, tidy storage and convenient transport