Leinuosen 6 Pieces Aluminum Triangular Architect Scale Ruler Set, 2 Pack 12 Inch Aluminum Scale Ruler With 4 Pieces Aluminum Triangle Ruler Square Set For Architects, Students, Draftsman And Engineers Ruler  (Multicolor)

Features: Material: This engineering triangle scale ruler is made of anodized aluminum alloy, very solid and sturdy. Laser-etched markings: The scale ruler is precisely marked, making your drafts, designs, blueprint more accurate. Durable and reliable: Designed for maximum durability, this 3 sided metal architect ruler is suitable for lasting use. Application: The architectural scale ruler is suitable for architects, engineers, draftsmen, builders, roofers, teachers and students, etc. Specifications: Size: Triangular scale engineer ruler: 12 inch/ 30 cm, 30/ 60 degree triangular ruler, 45/ 90 degree triangular ruler, a protractor and a 15 cm ruler Color: black Types of technology: laser etched Material: metal, anodized aluminum alloy Package contents: 2 x Triangular architect scale rulers 2 x Triangular rulers 1 x 15 CM ruler 1 x Protractor