CEL Double Cylinder SLH556/26D Satin Chrome

Double Cylinder Thinline Slim Line 2750C/26D Satin Chrome Right Hand Mortise Entry Lever Plate Trim Set Lockset Lock Set. 1" Backset, Deadbolt:1", front: Lock Face Plate is 1" x 9-7/16". Double Cylinder with key on both sides. Commercial Mortise Locksets, For Use with Steel Security and Storm doors. Mounting screw holes spaced at 8-1/4 inches. Backset 1 inch. Thru-bolted solid satin chrome lever plate trim set assemblies, Spring loaded captivated self adjusting spindles with screwless levers.