Kaba Simplex 90404 Auxiliary Lock with Thumbturn; 1″ Deadbolt for 1-3/4″ to 2-1/8″ Door Satin Brass Finish

• Mechanical Pushbutton Lock
• Eliminates Problems and Costs Associated with Issuing, Controlling and Collecting Keys and Cards
• Provides Fully Mechanical Access Control at All Times While Allowing Free Egress At All Times By Interior Thumbturn
• Deadbolt Models Must Be Manually Relocked; Spring Latch Models Automatically Relock Each Time Door Closes
• Fully Mechanical Lock Eliminates the Material and Labor Expense of Battery Replacements