Adj Triangle 12 Inch Clear Reviewhttp://tinyurl.com/m4bcn95 Adj Triangle 12 Inch Clear With 45?/90? adjustable triangle plus those of a protractorAngles from 0-90? can be drawn from the baseline with 0.5 in. accuracyDie-engraved graduations for high visibilityAluminum thumbscrew securely holds the selected angle and allows quick pickup and manipulationMade of high impact 0.100 in. thick
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