Aerocomp Diskette Drive Controller for TRS 80 Model III.

Drop-in replacement for Tandy or compatible drive controller.
Sealed bag, not tested. 

Some sealed bags have minuscule scratch/tears on the surface.

Item is sold as-is.  No guarantee that it's operational because these are sealed in their original bags.  There are a few caps that might need to be proactively replaced due to the age of the item.  Your bid is your acknowledgement that you have read this description and understand that there are no returns or exchanges.  Please ask questions before you bid.