A fastener driver comprises a housing and a magazine configured to retain a plurality of fasteners. A driver assembly is positioned within the housing and is configured to provide an expulsion force that expels one of the plurality of fasteners from the magazine. The device further includes a lockout member configured to pivot about a pivot axis between an unlocked position and a lockout position. The pivot axis is configured to move relative to the housing when a work contact element is depressed. The driver assembly is prevented from providing the expulsion force when the lockout arm is in the lockout position. The pivot arm moves from the unlocked position to the lockout position when a low level of fasteners remains in the magazine.
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