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T Squares and Triangles

  • Alvin Computing Trig-Scale Adjustable Triangles
    See various sizes and angles below.

Select the volume you need to buy.
10" 45/90
Price $18.99
12" 45/90
Price $36.35


Rise and slope graduations. Inking edges on all three sides. Hot-stamped graduations. Thumbscrew locks triangle securely at desired angle. 0.12 inches thick, light blue, optically clear acrylic. Detailed instructions included.