Prime-Line EP 4180 Doorknob Lock-Out Device - Lockable Doorknob Cover for Round Knobs up to 2-7/8 in., Gray (Single Pack)

The Defender Security doorknob lock-out device is designed to be mounted directly over the entry doorknob in order to prevent access to the keyhole and effectively block unauthorized access by key. The durable, diecast cylinder is held in place with a removable O-ring, allowing for easy cleaning of the cylinder when the lock-out device is unlocked and open. Importantly, the cylinder cannot be removed when the device is closed and locked.

This lock-out device is commonly used in various scenarios, such as evictions, rentals, home sales, on job sites, in-home, and on in-office storage room knobs, to keep other keyholders out, even if they possess a key to the door. It offers a quicker and easier solution than replacing the entire knob and lock system on a door, while still providing the necessary protection.

The maximum outside diameter of a round knob that can be secured with this device is 2-7/16 inches. The lock-out device is constructed from diecast and comes in a gray painted finish. It is designed to mount over a locked door knob with the purpose of blocking access to the keyhole only, without impeding the ability to turn the knob.

This lock-out device is often utilized in situations where it is necessary to prevent others with keys from unlocking the door knob, such as in evictions, rentals, home sales, job sites, and in-home or in-office storage rooms. The maximum diameter of a round knob that can be secured with this device is 2-7/16 inches.

It is important to note that this lock-out device will not work on knobs that are larger than 2-7/16 inches in diameter. Additionally, the shaft cut-out is oval/oblong in shape, measuring 1-3/4 inches by 1-1/2 inches, and it may fit loosely over some door knobs with round, slender shafts.

These lock-out devices are intended for use over keyed/locked door knobs to block access to the keyhole from others who may have keys to unlock the door. For lever-type door knobs, users should refer to the Defender Security model number S 4181.

In summary, the Defender Security doorknob lock-out device offers a convenient and effective solution to secure entry doorknobs and prevent unauthorized access by key. It is suitable for a variety of applications, including evictions, rentals, home sales, job sites, and in-home or in-office storage rooms, and can accommodate round doorknobs with a maximum diameter of 2-7/16 inches.

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