Sargent 68-2279-26D Sex Bolt Sleeve Only, For 1 3/4" thick Doors, come in a QTY of [4] Per Pack and are for use with Sargent 12-8800, 12-8888, Series Rim Exit Device, and come in Satin Chrome finish.
Sargent 68-2279-26D are used for doors without internal reinforcement - hollow metal, steel-clad doors, wood, or aluminum doors.