Features: Experience accuracy measurement with the Miniature Folding Ruler Keychain, featuring a convenient design that unfold to 50cm, perfect for quick and accurate measurements. Crafted from plastic, this lightweight ruler boasts a 10 fold design with clear metric scale for various measurement needs. Ideal for engineers, designers, DIY enthusiasts, and anyone requiring precise measurements in their daily tasks. Perfect for home renovations, outdoor activity, and office measurements, this folding ruler adapts effortlessly to various scenario. Its water resistant and scratch proof construction ensures durability, making it a reliable tool for both professional and casual users. Specifications: Component:Plastic Folded Size:approx,67mm/2.63inches Unfolding Size:Approx.50cm/19.69inches Package Includes: 1Pc Miniature Folding Ruler Keychain note: Please allow 1-2cm 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 color. Thanks!