Tactile Protractor (4 Pack)

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Description

Allows for the measurement and construction of angles.

Features:
– Lightweight, clear plastic
– Movable, transparent wand
– Open hole where wand is attached for inserting pencil or push pin at vertex of angle
– Notches on bottom left and right allow for pinning to a surface
– 6-inch ruler at bottom edge
– Braille dot markings on upper edge
– 3 dots at 0°, 45°, 90°, 135°, and 180°
– 2 braille dots at each 10° to 170°, except 90°
– A single braille dot at every 10° increment from 5° to 175°, excluding 45° and 135°

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