Here is a Wizards Warehouse steel band clamp is designed to clamp the magnetos to their drive bases.  This bandclamp makes it quick and easy to remove your mag generator. Can be used with MSD ProMag Generators and Mallory FIE Super Mag Generators with most all drive units, like the Dunn, RCD, Mallory, MSD, etc.

Comes as pictured.  

Retail Price (for reference): $55

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