Helix Swing Arm Protractor

Swing Arm Protractor helps you draw or measure accurate angles. The arm rotates 180 degrees for accurate and easy visual angle measuring. Shatter-resistant material provides safety during use. Integrated 6" and 10cm rulers measure angles from left to right or right to left. Transparent plastic with beveled edges makes it easy to see what you are measuring.

Helix Swing Arm Protractor - 1 Piece(s) - Plastic - Assorted - 10 / Box