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Like an office or a store, a classroom also needs to be secure. Hence, most classroom doors have lever locks to keep the rooms safe when the students and the teachers are absent. However, an unauthorized person may access the room by breaking in despite locking a classroom door. That's why you need to upgrade the classroom locks to prevent exposure.National Lock Supply Inc. is a lock company that meets your door lock needs. We sell Schlage ND70PD… Read more