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Vintage Keuffel Esser K & E Paragon Drafting Arm Tool Mechanical Engineering :
$300.00
This vintage Keuffel & Esser Paragon drafting arm is a must-have for any mechanical engineering enthusiast or collector. Made in the United States, this tool is a testament to the precision and quality craftsmanship of K&E products. It measures 29 inches from one side to the other as you can see in pics. I tried to get as close up as I can so you can see everything.