Sargent 68-2280-US10B Sex Bolt Sleeve Only, For 2 1/4" 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 Dark Bronze finish.
Sargent 68-2280-US10B are used for doors without internal reinforcement - hollow metal, steel-clad doors, wood, or aluminum doors.