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Clear acrylic with smooth edges. Protractor section is graduated in 1/2 degree increments from 0 to 90 degrees. Available in even sizes from 8" to 12".
Professional-quality adjustable triangle with inking edges.
Provides the features of a 45°/90° adjustable triangle plus those of a protractor.
Rise and slope graduations. Inking edges on all three sides. Hot-stamped graduations. Thumbscrew locks triangle securely at desired angle. 0.12" thick light blue optically clear acrylic. Detailed instructions included.Available in three sizes: 8",...