2PCS Complete Measurement Set: Includes 2 transparent 360-degree circle protractor rulers, providing a practical set for angle measurement, technical drawing, drafting and everyday measuring tasks. Ideal for use in offices, classrooms, studios and workplaces. Clear & Accurate Angle Reading: Features a precise 360-degree scale with clear black markings and a built-in pointer design, allowing quick and accurate angle measurements for drawing, planning and design projects. Durable Plastic Construction: Made from quality transparent plastic, the circular protractor ruler is lightweight yet sturdy for regular use. The smooth surface helps maintain clear visibility of markings and supports long-lasting performance. Versatile Drawing & Design Tool: Suitable for geometry, drafting, architecture, engineering, art projects and general measurement applications. A useful tool for professionals, designers, teachers and anyone requiring accurate angle calculations. Compact & Portable Design: Measuring approx 12cm (4.72 inches), this lightweight circle ruler fits easily into pencil cases, document folders or tool bags, making it convenient for on-the-go measuring needs., Manufacturer: Tabanzhe