4-piece ruler set - black

HIGH-QUALITY MATERIAL: The ruler is made of aluminum alloy material, it will not be deformed by external force, nor will it be broken by falling from a high place, it is sturdy and durable, not easy to rust, it is the best drawing and measurement assistant for you. PRECISE MEASUREMENT & CLEAR SCALE: All numbers and measurement marks on this product are laser engraved with high-definition precision, giving you accurate readings when measuring objects and drawing drawings, improving readability and clarity. TRIANGLE RULER DESIGN: The set includes 2 triangular rulers for easy angle drawing. The triangular ruler has multiple common angles (30 °, 45 °, 60 °), which are very suitable for mathematical and geometric drawing, helping students quickly master basic geometric knowledge. HUMANIZED DESIGN AND SAFETY: The edges of each ruler are finely processed, smooth and without sharp angles, to avoid scratching or cutting fingers, ensuring the safety of children when using them. In addition, the ruler design conforms to ergonomics, providing a comfortable grip and a smoother user experience. WIDELY APPLICABLE: The aluminum alloy ruler four piece set is not only suitable for classroom learning in schools, but can also be widely used in various occasions such as homework, painting, and drawing. It is an essential tool for elementary school students to learn and draw, and also a practical learning gift from parents to their children.