Metal Scale Ruler ,Aluminium Triangular Scale Ruler for Architects & Engineers,Matrix 30cm Solid Aluminium Ruler:1:100,1:200,1:250,1:300,1:400,1:500( Black)

Metal Scale Ruler Professional-Grade for supreme accuracy. The ruler measures 30cm in length and features 3 concave sides with 6 of the most commonly used scales: 1:100,1:200,1:250,1:300,1:400,1:500,very clear to read. Laser Etched for perfect definition,making your drafts, designs and blueprint more accurate. These markings will never fade or smear so you will always clearly see every increment. Triangular Scale Ruler This engineering triangle scale is made of anodized aluminum alloy, very solid and sturdy. Designed for maximum durability, this 3 sided metal architect ruler is perfect for lasting use. Solid High-Grade Aluminium to reduce flex and warping. This allows the ruler to lay flat on the drawing surface for precise and accurate placement. The concave design feature helps reduce smearing for clean pencil lines. Suitable for architects, engineers, draftsmen, builders, roofers, teachers and students, etc. Also used for cutting, measuring, professional drawing, decoration design, classroom and office purposes.

✅ PREMIUM QUALITY:This engineering triangle scale is made of anodized aluminum alloy, very solid and sturdy. Designed for maximum durability, this 3 sided metal architect ruler is perfect for lasting use.

✅PRECISE IMPERIAL SCALE: The aluminum triangle ruler is professional grade with supreme accuracy. With reliable construction and accurate performance, the black construction ruler is ideal for architects, engineers, draftsmen and students.

✅6 METRIC SCALES>:Length:30cm. Includes 6 commonly used scales: 1:100、1:200、1:250、1:300、1:400、1:500. Six rulers in one. No need to waste time figuring out how to measure each increment.

✅LASER ETCHED TECHNOLOGY:All numbers and measurement markings on drafting scale rulers are laser etched for maximum clarity and readability. Laser etched technology effectively prevents scale numbers and markings from wearing off or fading away.

✅SERVICE:If you are unsatisfied with your purchase, we will offer a full refund, no questions asked.