Architectural Scale Ruler 30cm Aluminum Triangular for Architects Students Draftsman Engineers

Reliable Material: This architectural scale ruler is made of high quality aluminum alloy, which is anti-rust, corrosion resistant, wear-resistant, solid and durable, and can serve you for a long time. Triple Sided Design: The classic 's triple-sided scale included 1:100, 1:200, 1:250, 1:300, 1:400, 1:500, it is very convenient and useful for professional use. Clear Scales: All the numbers and measurement markings on the triangular ruler are clearly carved that allows you to read it easily, and the numbers are not easy to fade or abrade. Protection Case: Comes with a transparent protective case, you can store and keep the architectural ruler from dust and being damage, making it convenient to carry. Wide Application: The aluminum triangle ruler is widely used for architecture, drafting, engineering, or school. It is the perfect tool for any architects, draftsmen, engineers, and students.