Secure access to lever handle entry doors with this wave and lever lock-out device designed to block access to the keyhole without replacing existing lock hardware. Ideal for rental properties, evictions, home sales, vacant homes, job sites, offices, storage rooms, and maintenance situations, this security device helps prevent unauthorized key access by individuals who may still possess a working key. It provides a fast, cost-effective alternative to changing locksets while maintaining control over property access. Constructed from durable diecast metal, this lock-out device installs directly over compatible wave and lever-style door handles to prevent access to the key cylinder. When locked in place, the device helps keep unauthorized users from inserting a key into the lock while allowing property owners, managers, contractors, and authorized personnel to maintain controlled access. This practical security solution is often used when temporary lock control is needed without permanent modifications to the door. The removable cylinder is held in place with a durable O-ring and can be removed for cleaning when the device is unlocked and open. For security, the cylinder cannot be removed while the lock-out device is closed and locked. Designed to fit straight and wave-style lever handles with a maximum outside diameter of two and seven sixteenths inches, this unit offers broad compatibility with many residential and commercial door handles. Whether securing a rental property, restricting access during renovations, or controlling entry to offices and storage areas, this lock-out device provides dependable protection, convenience, and peace of mind.

Will not stop someone from picking the lock!. Anonymous. Thu Nov 20 2025

This Defender Security doorknob lock-out device is designed to be mounted directly over the entry doorknob to prevent access to the keyhole only, effectively preventing unauthorized access by key. The durable, diecast cylinder is held in place with a removable O-ring for cleaning the cylinder when the lock-out device is unlocked and open. The cylinder cannot be removed when the device is closed and locked. This lock-out device is often used in evictions, rentals, home sales, on job sites, in-home, on in-office storage room knobs to keep other keyholders out, even if they have a key to the door. It is a quicker and easier solution than replacing the entire knob and lock system on a door while still getting the protection you need. The maximum outside diameter of a round knob that can be secured with this device is 2-7/16 inch.

Secure entry doors quickly and effectively with this door knob lock-out device designed to block access to the keyhole on standard round door knobs. Ideal for rental properties, home sales, evictions, vacant homes, construction sites, storage rooms, and commercial facilities, this lock-out device helps prevent unauthorized entry by individuals who may still possess a key. It provides a faster and more economical alternative to replacing the entire lockset while maintaining control over property access. Constructed from durable diecast metal with a gray finish, this lock-out device is designed to fit directly over the exterior door knob and conceal the keyhole from access. When closed and locked, the device prevents keys from being inserted into the lock cylinder, helping property owners, managers, contractors, and business operators maintain security. Unlike traditional lock changes, this solution allows temporary access control without permanent modifications to the existing door hardware. The lock-out device is secured with a removable O-ring that allows the cylinder to be removed for cleaning when the unit is unlocked and open. For added security, the cylinder cannot be removed while the device is locked in place. Designed for round door knobs with a maximum outside diameter of two and seven sixteenths inches, this unit is keyed alike for convenient management of multiple devices. Whether securing a rental property, restricting access to a storage area, or controlling entry during a renovation project, this lock-out device offers dependable protection, durability, and peace of mind.

Love it!! Easy layer of security ll. Angela. Corcoran, CA. Fri Sep 11 2026

Pocket doors offer a sleek, space-saving solution for any home. Stone Harbor Hardware Round Privacy Pocket Door Locks are designed to provide style and security. This makes them ideal for various applications including bathrooms, closets, pantries, and offices. The included extendable latch tab makes pulling the door out of the pocket incredibly easy! Each finish option available with our Round Privacy Pocket Door Locks is designed to match other Stone Harbor Hardware products, allowing you to create a cohesive look throughout your home. Manufactured from a durable zinc alloy, Stone Harbor Hardware Pocket Door Locks are designed to withstand the general wear and tear the comes with frequent operation. Outfit your home with Stone Harbor Hardware Round Privacy Pocket Door Locks today!

Works and looks great. Kecia. Gulfport, MS. Sat Sep 05 2026

Control access to keyed entry doors without replacing existing locksets using the Prime-Line EP 4180 Doorknob Lock-Out Device. Designed to fit over compatible keyed doorknobs, this security device blocks access to the keyhole, helping prevent unauthorized entry by anyone who may have a key. Ideal for rentals, property management, home sales, job sites, office storage rooms, and temporary access control applications, it provides a fast and effective alternative to changing locks. Constructed with a durable diecast cylinder and protective housing, this lock-out device is built for dependable performance and repeated use. The cylinder is secured with a removable O-ring, allowing it to be removed for cleaning when the device is unlocked and open. When the device is closed and locked, the cylinder cannot be removed, helping maintain security. Unlike traditional lock replacement, this solution installs directly over the existing keyed doorknob and can be removed when no longer needed. Designed for round doorknobs with a maximum outside diameter of 2-7/16 in., the device features a 1-3/16 in. circular shaft opening. It blocks access to the keyhole but does not prevent turning of an already unlocked knob. Easy to install and operate, this lock-out device provides a practical security solution for temporary or supplemental access control. Verify doorknob dimensions before purchasing to ensure compatibility.

Dexter Commercial hardware, provides the locksmith customer with a competitive option for locks, exits, and closers. With over 200 SKUs of grade 1, grade 2, and residential grade products, Dexter Commercial hardware is your solution for basic, cost-constrained jobs.