triangular ruler, Scale Ruler Architect,Metal Aluminum Engineer Triangular Scale Ruler Scale 1:100,1:200,1:250,1:300,1:400,1:500

[Package Includes] You will get a triangular architect scale designed to make drawing and measuring architectural drawings easier. Length: 30cm. Weight: 110g. Includes 6 commonly used scales: 1:100、1:200、1:250、1:300、1:400、1:500. Six rulers in one. [Laser Engraving Technology] All numbers and measurement marks on the drawing scale rulers are laser engraved for maximum clarity and readability. Laser engraved technology effectively prevents scale numbers and marks from wearing or fading.[Material] The engineering drawing ruler is made of aluminum alloy, precision manufacturing, corrosion resistant and durable, not easy to break, beautiful and durable overall.[Wide Application] A useful measuring tool for any project, sufficient for all construction and renovation projects, also for amateur architects, artists and DIY enthusiasts.