Features: Achieve precisely angles measurement with the 180 Degree Protractors, designed for accuracy and durability, making it essential math measuring tool for student and professional. Crafted from pp, these clear protractor drafting tool is light weight and sturdy, allowing easy reading of scales for seamlessly drafting and measuring task. Very suitable for students, teachers, engineers, designers, and enthusiasts who require math drafting tool for accurate measurements in their work or studies. Widely use for classroom, office, construction sites, and home project, these protractors facilitate wide range of applications from academic learning to professional drafting. With compact size of 15.2x8.50cm, these protractors drafting tool is portable and convenient. Specifications: Color: Clear Component: PP Size: Approx. 15.2x8.50cm/5.98x3.35in Weight: Approx. 71g Package Includes: 5Pieces Clear Protractors note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color