The InSinkErator jam-buster wrench is a tool that quickly and effectively helps to free uncomplicated jams in your disposal. Simply insert an end of the wrench into the bottom of the disposal and then turn back and forth. Works only on InSinkErator brand garbage disposals.
Hex-ended wrench
Back and forth turning frees simple jams
Genuine InSinkErator part
Quick, effective tool to help free simple jams - source: https://www.kbauthority.com/insinkerator-wrn-00-universal-jam-buster-wrench-for-garbage-disposal-disposer.html