360° Protractor Set (20-Pack) – Clear Plastic Math Protractors for Geometry, Drafting & Angle Measurement – 4-Inch Swing Arm Protractor Ruler for Students, Engineers & Artists

About this item

• ✔ 【Full 360° Measurement】 – Measures angles from 0° to 360° in both left and right directions, making it ideal for precise geometry, engineering, and drafting work.
• ✔ 【Convenient Swing Arm Design】 – Features a movable arm for easy angle marking and straight-edge guidance, perfect for drawing, painting, and technical sketches.
• ✔ 【Clear & Durable Plastic】 – Made of high-quality transparent plastic for easy readability and long-lasting use. Lightweight yet sturdy for classroom or professional use.
• ✔ 【Great Learning Tool】 – Essential for students studying geometry, trigonometry, and technical drawing. Helps improve accuracy in math, engineering, and art projects.
• ✔ 【Bulk 20-Pack Value】 – Includes 20 protractors, perfect for classrooms, workshops, or group projects. Great for teachers, students, and DIY enthusiasts!