DUAL-SCALE MEASUREMENT: Each protractor features both inch and centimeter scales with precise 180-degree markings. The convenient center hole simplifies the process of drawing accurate angles and circles, enhancing usability for students and professionals alike. CLEAR PLASTIC: Crafted from high-quality transparent plastic, these protractors durability and clear visibility of underlying text and diagrams. This makes them perfect for accurate measurements over any document or drawing. VALUE 50-PACK SET: This set includes 50 high-quality clear plastic protractors, ensuring you always have this essential geometry tool on hand. Perfect for classrooms, group projects, or sharing with classmates, this bulk pack meets all your educational and professional needs. PORTABLE 6-INCH SIZE: Designed for portability, these and compact protractors are easy to handle and store. They fit perfectly in pencil cases, backpacks, or toolkits, making them ideal for students and professionals who are always on the move. VERSATILE APPLICATIONS: Ideal for a wide range of uses including geometry classes, technical drawing, homework assignments, engineering projects, and tasks. These protractors are indispensable tools for students, teachers, and professionals in ., Weight: 631.42 pounds, Manufacturer: IJSDNVJNDX