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The Helix Swing Arm Protractor has an arm that rotates 180°, making it easy to measure and draw accurate angles. Measure from left to right or right to left. The protractor also includes a 6" ruler with inch and centimeter markings. Made of transparent, shatter-resistant plastic.
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® Helix is a registered trademark.
Dick Blick Art Materials · P.O. Box 1267 · Galesburg, IL 61402-1267 · Toll-free Phone (800) 828-4548 International Phone +1-309-343-6181 ext. 5402 · Fax (800) 621-8293
Dick Blick Art Materials®, Blick®, Blick Studio®, and Artists Pick Blick® are registered trademarks ofDick Blick Holdings Inc. © Copyright 1999-2018 Dick Blick Holdings Inc. All rights reserved.