Ferruled keychain, sold without a ferrule (because you already have the ferrule you want to use it with).  

Just epoxy the ferrule on to the keychain the same way you would install it onto a golf club.

Fits Shorty (1") size and all metal ferrules.   CNC Machined from stainless steel.  Comes with steel braided key loop and lasered titanium fob.  

Note: ships in 10-15 business days.