Abstract: An anti-theft device for securing an article of merchandise against unauthorized removal from a display counter. The anti-theft device includes a plurality of arms slidingly disposed within the housing. Grips are disposed on proximal ends of the arms and are configured to receive and secure edges of an article of merchandise. A locking mechanism is disposed within the housing of the anti-theft device. The locking mechanism involves an actuator that presses a locking component to engage at least one of the arms. The arms have a first set of teeth disposed thereon, such that, when the locking component engages at least one of the arms, the first set of teeth interlocks with a second set of teeth. The arms cannot slide relative to the housing while the first set of teeth and the second set of teeth remain interlocked.

Abstract: A security device for a retail item or packaging has housing that retains a gear that is operably connected to a pawl with two arms. One arm of the pawl is operably engaged by the gear. The other arm of the pawl is operably engaged with an unlocking key within the housing. The unlocking key is operably controlled by an unlocking tool by inserting a portion of the unlocking tool into a complementary portion of the unlocking key through a keyway formed in the housing. The unlocking key may have a magnet or components that are attracted to a magnet that enable the unlocking key to disengage a slot formed in the housing to allow the unlocking key to rotate to move the pawl. The housing may additionally be formed with a channel that allows a plurality of similarly constructed security devices to be tethered or daisy-chained together.