Architectural and Engineering Scale Ruler Set -Imperial- Laser-Etched Aluminum Triangular Drafting Tool for Architect and Civil Engineer Blueprints Standard Metal Ruler Included 12-Inch

Features: - Laser-etched, permanent grooves. - High-visibility, high-contrast markings. - Solid-core, durable construction:   1) Skillfully crafted and forged from a solid block of anodized aluminum.   2) These triangular workhorses are built tough, built to last, and perform well on any blueprint or surface. - Clear Easy to Read Markings:   White markings etched on the blue anodized aluminum make the OFFIDEA architect's scale ruler very easy to read and scales perform well on any surface. - Sturdy Aluminum Structure:   Triangular aluminum structure keeps the ruler stable without any flexing or warping during use. Specifications: - Color: Blue, Black, Silver - Quantity: 1Pcs Blue Ruler, 1Pcs Black Ruler, 1Pcs Silver Ruler - Material: Anodized Aluminum 100% Quality Assurance: 1. We provide you with quality products and comprehensive after-sales service. 2. Our products have long-term quality assurance, please rest assured to buy. 3. If you have any questions, please feel free to contact us by email, we will give you a satisfactory answer within 24 hours.