2Pcs Architectural Scale Ruler, Black Aluminum Triangular Ruler 30cm, Metal for Architects Metric 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 and 1:200, 1:250, 1:300, 1:400, 1:500

[Precision Laser Etching] Our metal ruler undergoes laser etching for precise markings that will never fade or wear off, ensuring enduring accuracy for your measurements. [Versatile Scale] Featuring 12 scales, this dual-sided ruler includes measurements ranging from 1:20 to 1:500, catering to a wide array of common measurement needs. Its versatile design allows seamless measurement from both right to left and left to right. [Securety-Oriented Design] Crafted with chamfered edges, this ruler prioritizes securety, preventing accidental scratches and ensuring a secure grip for comfortable use. [Premium Craftsmanship] Constructed from anodized aluminum, this 30 cm triangular scale ruler guarantees durability and sturdiness, promising reliable performance throughout prolonged usage, aiding you in achieving superior results. [Precision for Professionals] Offering exceptional accuracy, this scale ruler is tailored for professionals such as architects, engineers, and educators, meeting their high standards for precision and reliability in measurements., Manufacturer: HXMJIED