6 Pcs Triangular Ruler t 12 Inch Engineering Scale Aluminum Architect Drafting Metal Protractor Arquitectura Accessories for Students Draftsman Engineers Metric(Black)

Package includes: 6 pieces in total, which contains 2 12 inches/ 30 cm aluminum triangular rulers, 1 30/ 60 degree triangular ruler, 1 45/ 90 degree triangular ruler, 1 protractor, 1 5.9 inches/ 15 cm ruler

• Material: the scale ruler t is made from pure aluminum mixed with other elements to create a high-strength alloy, and the triangular ruler is durable, lightweight and reliable
• Relative advantage: the lar-etched markings that won't rub off or fade, the ruler itlf is made of solid anodized aluminum, unlike flimsy alternatives that contain plastic
• High contrast: white-on-black design makes each line and number significantly easier to read, ultimately preventing unnecessary eye strain