Euro Profile Cylinder keyed both sides with re-keyable Schlage keyways. 2-1/2" long body for 1-3/4" thick doors. Available in several finishes. When ordering more that one, select keyed alone (individually) or keyed alike if you want one key to work with all. The same key works both sides of one unit.
May not meet local codes due to egress (safe exit). Check with local fire officials.