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This vintage Keuffel & Esser K&E PARAGON Drafting Machine Arm Tool 315672 is a must-have for collectors and enthusiasts of drafting tools. Made in the United States, this arm tool is a rare find and a perfect addition to any collection. The brand KEUFFEL & ESSER is known for its quality and durability, making this arm tool a reliable choice for any drafting needs.

The tool is ideal for use in engineering and medicine, and its unique design makes it a great conversation starter. Whether you're a collector or a drafting enthusiast, this vintage arm tool is sure to impress.