Protractors

Helix® Angle & Circle Maker

Two handy tools combined into one easy-to-use tool. Equipped with protractor and compass, the Angle & Circle Maker is perfect for math students, artists, and architects. Assorted colors. 5-3/4"... More.

6-in-1 Geometry Instrument

Forms 30°-45°-60°-90° triangles and measures all angles up to 180°. Includes 1/32" and metric scales, four circles gauges, and parallel lines. More.

6" Professional Protractor

Open center with accurate 6" ruler. Clearly printed calibrations. More.

Circle Protractor

The circle protractor can be used to actually create the arc of an angle. Alternatively, it can be used as a basic 360° protractor with single-degree calibrations. 5" dia. More.

6" Solid Protractor

6" solid 180° clear protractor. More.

Easy Draw Protractor

Kid-pleasing plastic protractor with unique swing bar makes reading any angle easy and accurate. Has 6" ruler. Strong and durable. Clear with assorted accent colors. More.

Protractor Set

6" plastic protractors. Assorted colors. Pkg. of 24. More.

SAFE-T® Circle Protractor

A shatter-resistant, transparent 6" protractor. Measure a full 360° in clear, clean markings in 1/2° increments. Fluorescent orange. More.

6" SAFE-T® Protractor - Clear

This full 6", 180° protractor is actually two protractors in one, with slotted separation. Lower scale reads right-opening angles; upper scale reads left-opening angles. Built-in inch/metr... More.

SAFE-T® Protractor

This 4", 180° protractor features a slotted separation. Lower scale reads right-opening angles, upper scale reads left-opening angles. Eliminates confusion of supplementary angles. Shatter... More.