Daimay 12 Inch 30Cm Aluminum Triangle Scale Metal Ruler Tri Scale Architect Engineer Technical Ruler Student Education Ruler 30Cm X 2.2Cm Ruler  (Multicolor)

6 Scales It's professional-grade, measures 12 inches in length, and features three sides with six different scales. Anodized Aluminum Constructed of high-grade anodized aluminum this ruler provides a lightweight and durable feel making it easy to use for any project. Ideal for Architects, Engineers, and Students Achieve the precision your work deserves. The tri scale is the perfect tool for any architect, draftsman, engineer, or student. Features: - One 12 inch aluminum architectural scale ruler with different imperial scales measured - 1/8, 1/4, 1/2, 3/4, 3/8, 3/16, 3/32, 1, 3, 16. - Three sides with six different scales and tapered edges. - Clearly marked metric gradations in inch.