Check the listing for details. Sargent HD Key Blank Single Sectional Keyway Brass OEM Original. Condition: New, Made in United States. Listed at 7.00 USD. The Sargent HD Key Blank is a single sectional keyway brass OEM original product designed for locks and keys collectors. It features a durable brass construction and is an authentic OEM product, ensuring quality and compatibility with various lock systems. This key blank is ideal for those looking to create a custom key or restore vintage locks, adding a unique touch to their collection or restoration project.