Product: Door handle lock What this product does Secures the door by locking the handle mechanism to prevent opening without the key or release. Simple retrofit for doors that use a standard handle and latch. Key benefits — why you need it Increases safety and privacy for homes, offices, and rental units. Prevents unauthorized access and reduces the risk of accidental entry. Compact, unobtrusive design keeps the original handle appearance while adding a reliable locking function. Clear features Function: Locks the door handle mechanism to block turning or pulling of the handle when engaged. Compatibility: Designed to work with most standard door handles and latches; suitable for retrofit on interior and many exterior doors. Size and fit: Compact form factor made for typical handle and spindle dimensions; installs without major modification to the door. Material and finish: Built from durable materials for daily use and long service life; finished to resist wear and environmental exposure. Performance: Smooth locking and unlocking action with consistent engagement; engineered for reliable operation over repeated cycles. Practical applications — how and where to use it Home security: Add controlled access on apartment or house doors to secure bedrooms, external entries, or utility rooms. Commercial use: Fit on office or retail interior doors to protect storage rooms, server closets, or staff-only areas. Property management and rentals: Install quickly to improve tenant safety and reduce unauthorized access in short-term or long-term rentals. Why this product stands out Simple, effective solution that focuses on the lock function without replacing the entire door hardware. Fast installation and straightforward maintenance keep downtime low. Robust construction and reliable mechanism deliver long-term performance in everyday use. What to consider before buying Check the handle and latch type on your door to confirm compatibility with standard handle locks. Measure the handle spindle and door thickness if precise fit is required for your installation. For exterior doors or high-security needs, pair with additional locks or reinforced hardware as appropriate. Includes One door handle lock unit suitable for retrofit installation (installation hardware and instructions depend on the door and handle type). For questions about fit or installation on a specific handle model, consult the installation instructions or contact a qualified locksmith or installer.