Description
Precise Degree Tracing – Fine tune angles from 0 to 90 degrees with an adjustable angle ruler, delivering precise control for crisp drafting lines, accurate geometry, and professional grade results in classroom and studio projects
Dual Graduations for Inner and Outer Angles – Inner arc graduations show the measurement on the inner scale while the outer arc reveals the complementary angle, speeding layout accuracy and streamlining workflows through drafting tools
Clear Visibility – Transparent ruler design lets you see the underlying work clearly, ensuring precise alignment, quick setup, and flawless lines for every draft in classrooms and studios, minimizing parallax errors and speeding setup
Circular Openings for Circles and Arcs – With circular openings of 1/4-inch, 1/2-inch, 3/4-inch, and 1-inch, this drafting triangle supports quick circle and arc construction, speeding layout tasks for precise geometry and classroom projects
Versatile Tool for Students and Professionals – Perfect for your math supplies, this adjustable triangle enables quick layouts, precise sketches, scalable workflows, and reliable performance across architecture, engineering, and art projects
Is Discontinued By Manufacturer : No
Product Dimensions : 1 x 1 x 1 inches; 1.74 ounces
Item model number : AT-8
Date First Available : December 16, 2011
Manufacturer : ACME United Corporation
Best Sellers Rank: #136,708 in Office Products (See Top 100 in Office Products)
- #491 in Drafting Tools & Drafting Kits
Customer Reviews:
4.6 4.6 out of 5 stars 209 ratings
Westcott 8-Inch Adjustable Triangle Scale (AT-8) is a precise drafting instrument designed to measure and transfer angles from 0 to 90 degrees with repeatable accuracy. Dual graduations provide quick reference: inner arc shows one angle in degrees while the outer row reveals its complementary angle, supporting efficient layouts. Circular openings at 1/4-inch, 1/2-inch, 3/4-inch, and 1-inch enable circles and arcs with consistent radii. Transparent design uses clear material for easy visibility of underlying lines, aiding alignment and reducing parallax during drawing. Lightweight and durable, it fits drafting needs in classrooms and professional workspaces. This triangle ruler is a compact addition to any drafting kit and math kit, and the clear plastic ruler construction ensures long-term clarity. The drafting tool supports geometry-ready tasks, enabling precise angle tracing and circle construction. A triangle remains a practical reference for quick angle checks. A reliable triangular ruler serves students, engineers, architects, and designers in both instruction and practice.
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