The Alvin 108CB adjustable triangle is a drafting tool made of high-impact acrylic with an aluminum thumbscrew and inking edge. It is 8 inches in size and includes a nylon storage case.

The adjustable triangle allows users to quickly select and secure any angle, with die-engraved graduations for high visibility.

It is a versatile tool suitable for students and professionals in drafting, engineering, and other technical fields.

Includes the original box.

The box has some wear / tear. The rule is in good used condition.

Please view the photos as they are part of the description.

Shipping to USA addresses only, $6.99 Ground Advantage (used to be called First Class) USPS shipping.