SimonsVoss Transponder Storage

I designed this storage for work, because I never know which one of the many transponder keyfobs is actually "empty" and can be used for reprogramming. So now I can throw the empty ones into the top of the tower and get them out at the base. There are small "windows" to check how many transponders are inside. It´s designed to hold 10 transponders.

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Now I´m aware that some people attach keyrings to their transponder. Guess what? Doesn´t fit! So you now can get the edited file with an opening for keyring and improoved outlet to grab a transponder out.