- High-quality stainless steel ruler set, includes 30 cm and 15 cm measurements - Double scale: centimeters and inches, with 0.5 mm precision for accurate results - Made of durable stainless steel, does not rust or bend easily - Laser-engraved scale, clear and long-lasting, easy to read in any environment - Smooth, burr-free edges for safe and comfortable use - Round hole for easy hanging and storage - Versatile tool for students, professionals, artists, architects, engineers, and DIY work - Ideal for school tasks, office, crafts, and measurement projects at home