National Hardware Dual Keyed Push Button Door Latch features a dual locking design with an exterior key lock and a separate interior locking mechanism, providing enhanced security for your doors. This latch includes an "anti lock-out" feature to prevent accidental lock-ins, making it i for out-swing wood or metal doors ranging from 5/8" to 1-1/4" thick. Its reliable construction and thoughtful design ensure both convenience and safety for residential or commercial use. Model Number: N100-031