"Acme United"

Two instruments are combined in one compact, clear plastic unit. Ruler edges are printed in millimeters and 1/10".

Made of transparent plastic with scale printed on one side. Graduated 0 to 180° and 180 to 0° in 0.5° divisions. Diameter: 6".

The hollow center makes angle determination easy.

Six inch, clear plastic circular protractor for measuring 360° in 1° divisions. It has a beveled edge and a cutout center.

Made of laminated, transparent plastic with solid center. Graduated 0 to 360° and 0 to 90° to 0 in 1° intervals.

Westcott drafting and drawing tools are some of the finest products of their kind for students and professionals.

Westcott drafting and drawing tools are some of the finest products of their kind for students and professionals.

This Protractor Ruler is embossed with both standard and metric scales. The ruler measures 38cm x 15cm.