The 900 Series Simplex® auxiliary lockset provides fully mechanical pushbutton access control with no electrical wiring, electronics, or batteries. Exterior access is by combination. Egress is by interior thumbturn and is free at all times. Deadbolt models are manually relocking. Dead-locking spring latch models automatically relock each time the door closes, with standard latch holdback. 900 Series locksets are suitable for light commercial or residential applications.
Rugged weather-resistant all-metal construction.
Fully mechanical - not affected by power failures.
Clutch-protected turn knob cannot be forced.
No keyway to be picked.
Large easy-to-depress pushbuttons.
One-hand operation.
Exterior trim plate covers 2 1/8" (54 mm) bores 1" (25 mm) deadbolt models have a saw resistant hardened steel insert.
Mounts above existing lockset or can be used alone.
For interior or exterior use.
2 1/8" maximum door thickness
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