Package includes: come with 4 pieces geometry tool set which contains a 12 inch/ 30 cm straight ruler, a 3.5 inch protractor, 2 pieces triangle rulers (45 and 60 degree).Double scale measurement ruler: the straight ruler and triangle ruler have inch and metric scales to meet your different needsPortable and durable: geometry tools are constructed of plastic material, lightweight, easy and handy to be put into your school bags or in your desk.Clear rulers: translucent color allows for a clear view of numbers and letters on the page; With the clear mathematics ruler, you can measure an object easily.Wide application: math geometry tool set are useful tools for architects, engineers, artists, designers, students, teacher and so on; Good for students in school use.Produktbeschreibung 4 Pieces Math Geometry Tool Set Includes Plastic Clear Ruler, Protractor, Triangle for School Office Home Supplies Wide application: Math geometry tool set are useful tools for architects, engineers, artists, designers, students, teacher and so on; Good for students in school use. Portable and durable: Geometry tools are constructed of plastic material, lightweight, easy and handy to be put into your school bags or in your desk. Clear rulers: Translucent color allows for a clear view of numbers and letters on the page; With the clear mathematics ruler, you can measure an object easily. Double scale measurement ruler: The straight ruler and triangle ruler have inch and metric scales to meet your different needs. Specification: Straight ruler size: 31 x 3 x 0.2 cm Protractor size: 12 x 6.5 x 0.2 cm 60 Degree triangles size: 25 cm x 14.5 x 0.2 cm 45 Degree triangles size: 17.5 cm x 17.5 x 0.2 cm Package includes: 1 x Straight ruler 1 x Protractor 2 x Triangle rulers