Features: This stainless steel ruler contains 3 rulers in different sizes: 15cm(5.91in), 20cm(7.87in),30cm(11.81in). Rulers are perfect for use in schools, offices and crafts. Both sides are clearly marked, which ensures comfort and accuracy. Suitable for carpenters, engineers and architects, convenient for drawing straight. Perfect for architects, engineers, students, and DIY enthusiasts requiring reliable measurement tools for technical drawings or school projects. Specifications: Component: Metal Size: about 1.9x15cm/0.74x5.9'' Size: about 2.6x20cm/1.02x7.87'' Size: about 2.6x30cm/1.02x11.81'' Package Includes: 3 Pcs/Set Stainless Steel Rulers note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.