Check the listing for details. Aerospace Flex Magnetic Base. Condition: Used. Listed at 40.00 USD. The Aerospace Flex Magnetic Base is a tool used in metalworking inspection and measurement. This magnetic holder provides a stable and flexible base for gauges, indicators, or other measurement tools in aerospace and other industrial applications. The magnetic base allows for easy attachment to metal surfaces, providing a secure hold while allowing for adjustments and precise positioning during the inspection process.