Detex 08BN Classroom Narrow Lever Trim for Value Series Exit Hardware (V40/V50)Outside trims provide security for all types of installations. Built to be as durable as the panic devices, these heavy duty trims will stand up to heavy use and abuse. The versatile design of the trims, combined with the device mounting plate, makes changing functions as simple as replacing the outside trim. This can easily be done without removing the exit device from the door. Detex uses the BHMA functions descriptions for all trims. 08BN Function