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Pipefitter.com > Cutting Tools > Magnetic Torch Guide
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Railroad Tools and Solutions | STARRET STRAIGHT EDGE, 36" - Railroad Tools and Solutions
Amazon.com: LEARNING ADVANTAGE Magnetic Dry Erase Straight Edge - 24” - Jumbo Teaching Ruler - Measurement Tool for Whiteboards and Chalkboards : Toys & Games
Hypertherm 017042 Magnetic Straight Edge - Amazon.com