Mortise Lock Complete for Atrium US3

Atrium door lock fits some Atrium style patio doors. 1-3/4" Narrow stile backset. Fits doors 1-3/8" -> 1-7/8" Reversible Levers 4-1/2" solid brass. Faceplates: 1-3/16"W x 8-1/4"H Solid Brass Escucheons Schlage SC-1 keyway - rekeyable. Key operated from outside entry and inside thumbturn for locking and unlocking.