Each lock comes with 2 SC1 keys. If you order more than 1 lock set, each lock set will come with a different key cut (Keyed Differently).
Each individual lockset will come with 2 keys that open ONLY that lock. In addition, multipacks of this kind will come with an additional 2 keys, master keys, that can open ANY of the locks in that multipack. No keyhole or thumb turn - always open. Premium ANSI Grade 2 Lock, UL Certified.
Storeroom Lock: interior remains unlocked unless user changes, exterior always locked. Classroom Lock: Interior remains unlocked unless user changes, exterior can be locked only with key.