Features: Premium Aluminum Ruler Set with 4 Piece Multi Functional Geometry Tools for Precise Measuring and Drafting. Crafted from durabled aluminum alloy, this set includes a straight ruler, 2 triangles, and a protractor, featuring markings for long lasting clear and accuracy. Ideal for student, architects, engineers, and enthusiasts seeking reliabled measuring instruments for academic projects or professional blue prints. Effortlessly tackle geometry homework, technical sketches, or craft designs in classrooms, workshops, or home offices with these lightweight, portable measuring tools. The polished edges and anti slip surfaces ensured safe handling during extended use, while the compacted design fits seamlessly into pencil cases or toolkits for organized storage. Specifications: Color: red, dark blue, brown Made: Aluminum alloy A ruler, two triangle ruler and a protractor ruler Package Includes: 1 set of x aluminum alloy rulers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.