Helix 360 Degree Folding Protractor 6"

Multi-Tool Design: Functions as an angle measurer, circle maker (compass), and circle template all in one.

360° Measurements: Clear markings allow students and professionals to measure angles through a full circle.

Rotating Center: The separate inner circle spins easily so you can draw various circle sizes or use the integrated drafting templates.

Size & Portability: Compact 6-inch (15 cm) diameter makes it easy to carry in a backpack or pencil case