Set of 4 Metal Geometry Ruler Kit Gold Brass Ruler Set with 15cm Straight Edge Ruler 10cm Small Straight Ruler Triangular Ruler Protractor for Engineers Office Drawing Drafting Art Work Geometry ruler set: You will get 4 packs rulers, 2 x straight ruler(measure length: 10/15cm), 1 x triangular ruler(angle: 45,45,90 degree), 1x protractor(angle: 0~180 degree), please kindly check the size in the pictures. Heavy and durable: made out of solid brass and quite heavy, weight and thickness are perfect, these metal rulers are hard to break down, won't wear out easily, design is shiny and simple, sturdy and beautiful, with a very good feel. Useful tools: The scale is clear and easy to read the marks, the edges are cut straight and work quite well for your tasks, the scales are accurate enough for small measurements, quite handy tools to have. Measure assistant: Excellent helper for your drawings, designing, experiment, stationery, bookmark, measurement at home/office/classroom/school, suitable for architecture, engineering, arts, students and teachers. Practical gifts: Send it to your colleague, classmates, encourage someone to start its art and work, can be gifted for student on classes, they will show great interest.