Bulk Classroom Supply: This set includes 100 high-quality, 4-inch clear plastic protractors, making it perfect for schools, offices, or art studios. Ideal for educators and professionals requiring dependable measuring tools in large quantities.Compact and Clear Design: Each protractor is 4 inches (10cm) along the base, fitting easily in textbooks and pencil cases. They feature clear, easy-to-read centimeter and inch markings, suitable for a variety of math and art applications. and Precise: Made from shatter- plastic, these protractors clarity and durability. The 180-degree scale is marked in bold black for easy reading, with precise 1-degree increments for accurate angle measurements.Versatile Measuring Tool: These protractors double as rulers, enhancing functionality for diverse projects. The transparent material allows for viewing text and diagrams underneath, essential for geometry, drafting, and art tasks.Educational Must-Have: Designed for enhanced visibility, each protractor features clear demarcation lines every 10 degrees and numbered increments. and with smooth edges, they are safe and essential tools for educational and DIY projects.Description/Features:This 4-inch clear plastic protractor is an essential tool for students and professionals who require precise angle measurements. Made from high-quality plastic, this protractor is both and , ensuring long-lasting use and easy handling. Its clear design allows for optimal visibility of angles and lines, making it perfect for geometry, drafting, and various other applications.Specifications:Material: PlasticWeight: 595gProduct Size: 10cm x 5.5cmThickness: 0.15cmThis bulk pack is ideal for classrooms, educational institutions, or anyone needing a large supply of reliable meas tools.Color: TransparentPackage Contents:100pcs math protractorsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.