Performance complies with ANSI (American National Standards Institute) A156

5, Series 2001, Grade 1 light commercial auxiliary lock

UL (Underwriters' Laboratories) rated

3 hour fire door

5 pin solid brass cylinder, keyed 5-pin, C keyway, keyed different

2 brass cut keys per lock

Door range: 1-3/8" - 1-3/4"

Adjustable backset

Strike: 1-1/8" x 2-3/4", 1/4" radius corner, strike number 10-116

Door frame strike reinforcer with 3" screws

Deadbolt thrown or retracted by key from outside or by inside turn piece

Bolt automatically deadlocks when fully thrown