We are currently stocking Panic Hardware – Exit Device Hex Dog Keys for all of the manufactures.   We offer 1/8″,  5/32″ long and short, 3/16″, 7/32″ and the Adams Rite Plastic dog hex key.  Here is breakdown of what we know and who uses what size.

Adams Rite exit devices uses 1/8″-88R6018 , and the Plastic Key- 88R60AR
Cal Royal  panic hardware usually uses 1/8″  88R6018
Doromatic panic devices uses 5/32″- 88R60, and 7/32″ 88R60732
Von Duprin exit devices uses 5/32″ on there newer exit device and 7/32″ on there only panic hardware, before 1977 or so.
Corbin Russwin panic hardware uses 3/16″-88R60316 and , and 5/32″-88R60
Sargent panic devices uses 7/32″- 88R60732
Yale panic device uses 5/32″- 88R60
Monarch panic hardware use 7/32″ 88R60732

To order:
88R6018 1/8″ Click here
88R60AR Plastic Hex Key Click here
88R60 5/32″ long Click here
88R60 5/32″ short Click here
88R60 3/16″ Click here
88R60 7/32″ Click here

all of our keys feature a ring so they can be put on a key chain or hung on a hook