1. PROFESSIONAL MEASURING TOOL The brass ruler is precisioncrafted with engraved scale lines and values on the surface, featuring clear, easytoread markings and minimal errors. It offers a measuring range of 12 inches on one side and 12 inches on the other, making it a professional measuring tool. 2. MULTIFUNCTIONAL With a length of 307mm, width of 30mm, and thickness of 1.3mm, this 11.8inch measuring tool is compact and ultrathin. It serves not only as a measuring, drawing, and positioning tool but also doubles as a bookmark due to its slim design. The ultrathin construction ensures it won't break or squeeze the adhesive on the sides, preventing separation. 3. ERGONOMIC DESIGN The durable metal ruler boasts a polished surface and rounded edges, eliminating burrs or sharp corners for safe use, even by children. A hanging hole on one end facilitates easy storage and quick access. 4. QUALITY MATERIAL The 30cm dualscale measuring tool is made from H65 brass, machinecut with onepiece diecutting dies. Its brushed and polished surface provides rust and corrosion resistance. The smooth finish ensures comfortable handling for longterm use.