This drawing compass toolkit includes tools needed for geometry course study, drawing, drafting, etc., which can be applied at home, school and office, perfect for students, teachers, mathematics experts, architects, engineers, artists and designers. Drafting compass for geometry set is a practical and thoughtful children, students, teachers, and friends. Features - Color: Blue -Material:Iron, ABS -Size(Compass): 12.00X2.50X1.20cm/4.72X0.98X0.47in -Size(Ruler):16.00X2.70X0.10cm/6.29X1.06X0.04in -It can be used in school, office, home or out work, anywhere and whenever you need to use it. -Fine craftsmanship and ensure that it won't fade or rub off during use. -Suitable for art design, score measurement, building template, architecture, network technology, drawing. -Ergonomically designed anti-skid compasses head makes it hold comfortably. -You can easily buy this set of practical Math Geometry Kits at an . Package list: 1 x Compass 1 x 15 cm Ruler 1 x Protractor 2 x Triangle Rulers 1 x The Eraser 1 of Refills 1 x Pencil Box