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Ingersoll SC71 Automatic Deadlocking Night Latch/Rim Lock Reviewed By Alexandra Locksmiths

Ingersoll SC71 Automatic Deadlocking Night Latch/Rim Lock The infamous Ingersoll SC71 Night Latch/Rim Lock has been in continuous production since the early 1970’s and still largely unchanged. The Ingersoll SC71 is an extremely high security lock which uses a 10 lever key system, making it one of the hardest locks to pick and drill open….