« See more Westcott C-Thru Adjustable Triangles

These transparent adjustable triangles from Westcott permit tracing of angles from 0° to 90°. The inner gradations on the arc show the degrees of one angle, while the outer row of gradations show the degrees of the complementary angle.

Adjustable Triangle 8"

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® Westcott is a registered trademark. ® C-Thru is a registered trademark.