YFTDEF Aluminum Alloy Ruler Set, Multifunctional Drawing Tools, Protractor and Triangular Rulers, Accurate Measurement, Art and Craft Design, Organized Storage

This aluminum alloy ruler set includes a straight ruler, protractor, and two triangular rulers, offering precise measurements for drafting, technical drawing, and academic projects. Made from durable aluminum alloy, it resists bending and wear over time, ensuring long-lasting performance compared to plastic alternatives. The hollow design of the protractor and triangular rulers allows for accurate angle measurement without dead zones, while the straight ruler features built-in cutouts for drawing circles, triangles, stars, hexagons, and arrows—ideal for art, engineering, or geometry work. Rounded edges enhance safety during use, making it suitable for professionals, hobbyists, and technical users. Compact and neatly packaged, this multi-functional tool set is perfect for home, office, or workshop organization and makes an excellent gift for engineers, architects, designers, and DIY enthusiasts. Includes 4 pieces: 1 straight ruler, 2 triangular rulers, and 1 protractor.