Features: Compact folding design and plastic construction make 5pack ruler set for space saving storage and repeated use in classrooms or office environments. Features two color contrast for quick identification, precise metric/imperials markings, and reinforced hinges that maintain structural integrity through multiple folding cycles. for students, architects, artists, and professional requiring measurement tool for drafting, technical drawings, or daily office tasks. Optimizes workspaces efficiency in geometry classes, blueprints sketching, craft workshops, and professional documentation preparation scenarios. Combines safety focused rounded edges with folding 15cm/6inch measurement ranges, functioning both as practical stationery and organizational tool for pencil cases or desk drawers. Specifications: Materials: Plastic Size: 15cm Package Includes: 5Pcs Foldable Rulers note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.