The Adams Rite 31-0619 is the Circuit Board that controls the Motorized Latch Retraction on the 8000 and 3000 Series Exit Devices. It is also known as the PCBA: SE Main (Black).
Adams Rite 91-0993-IP 8700/8800 Strike is used on the rim devices that have the Star Wheel Latching System. The strike measures 2-3/4" long by 1-3/4" wide and projects out approximately 1/2". Kit comes with mounting screws and two shims.
The Panic Hex Key 1/8" is used on the new Adams Rite, Cal Royal, Jackson and many of the imported panic hardware like International Door Closer. The key measures 1/8" by 1-13/16" long. They are also known as Hex Key, Dog Key, Allen Key, and Dogging Key.