Here is a Gargraves 108-EM Remote Control Magnetic Uncoupler/Unloader Track Section for Phantom Tinplate operating cars. It is the same as 108 but has the magnet on one end of the track istead of in the middle.
Condition: Factory New (C-9) Operational Status:Functional Original Box: Yes (P-9)
Manufacturer: Gargraves Model Number: 108-EM MSRP: $78.40
Scale/Era: O Modern Model Type: Track/Switches/Etc.