Product Description:
Handy half-circle protractor gives readings from 0° to 180° on the outer ring, andr readings (in red) for 180° to 360° on the second ring. Bottom edge is marked in feet at 20 feet to the inch or 25 feet to the inch. Now includes cosine table. Clear laminated plastic. 2001, Steve Wells and Joe Zokaites.

Protractor, 4-inch, 1=20'

$2.00

Protractor, 4-inch, 1"=25'

$2.00

Protractor, 4-inch, 1cm=5m

$2.00

Protractor, 3-inch, 1"=20'

$1.50

Protractor, 3-inch, 1=25'

$1.50

Protractor, 3-inch, 1cm=5m

$1.50