Features: This Mini Folding Ruler Keyring is a compact and portable measuring tool, perfect for active measurements with its convenient keychain design. Crafted from plastic, this folding ruler features clear marking and a 10 fold design, extending up to 0.5 meter (or 20 inches) for Multifunction use. Ideal for students, engineers, designers, and DIY enthusiasts, it meets diverse measurement needs with ease and Precisions. Whether you're at homes , outdoors, or in a professional setting, this ruler is perfect for daily measurements, DIY projects, and more. This Hand tool adds a splashing of color to your toolkit while ensuring you’re prepared for accurate measurements. Specifications: Material: plastic Folded size: about 67mm/3inch Opened size: about 50mm/2inch Package Includes: 1xFolding Ruler Keychain note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.