Simplex 904-04-41 Auxiliary Pushbutton Lock with Thumbturn, 1" Deadbolt Latch, Fits 1-3/4" to 2-1/8" Door, Satin Brass

Simplex 900 Series mechanical door locks are a popular choice for storerooms, service duct doors, and student accommodations. Designed for easy installation in addition to, or as replacements for existing locks. The 900 Series offers deadbolt or automatic spring latch protection. Exterior access by combination.
• 1" (25 mm) bolt gives deadbolt protection.
• Must be manually relocked.
• Door thickness: 1-3/4" to 2-1/8'' (44 mm to 54 mm)