Self Closing Door Hinge with 5/8" Radius Corners, 3.5" x 3.5", Matte Black Finish

• DURABLE QUALITY: KNOBWELL 3.5 Inch Self Closing Door Hinges are made from high-qulity iron, with Black finish. Thanks to our own QC department, the black door hinges have passed 24 hours salt spray text and can be used for long-time, not easily to rust.
• EASY INSTALLATION: With all the necessary parts and instruction paper included in the package, we can install/replace the hinges by ourselves easily and quickly on wood, metal, interior, exterior, residential, or commercial doors.
• SELF-CLOSING FUNCTION: The adjustable door hinge is equipped with auto-closing function, which means the cabinet/door can be closed consistently without manual closing. With the help of included tools, we can adjust the tension of the internal spring to control the cabinet/door's self-closing speed.
• WIDE APPLICATIONS: A pair(2 pack) of hinges can support doors of 70-80 lbs. We recommend you install as least 2 hinges for each door and 3 hinges for doors from 80 lbs. This self-closing door hinges are spring-loaded and heavy duty, which can be used on different doors including bathroom/kitchen/bedroom/store room/garage doors. Let your hands free!
• QUALITY PACKAGING: Each hinge is individually packaged, 6 mounting long screws, 6 mounting short screws and detailed installation instruction are also included. Believe in KNOBWELL and we will offer you 100% satisfaction.

Privacy (Interior Locking Lock)

• Key Features: No key required; can be locked from the inside and opened from the outside with a tool if necessary.
• Applicable Scenarios: Bedrooms, bathrooms, studies, and other rooms requiring internal locking.

Passage (Non-Locking Passage Lock)

• Key Features: Controls door opening and closing without a locking function or key.
• Applicable Scenarios: Hallways, closets, passage doors, and other areas where locking is unnecessary.

Dummy (Push/Pull Decorative Lock)

• Key Features: No key, no locking function, and no turning mechanism—designed purely for pushing and pulling.
• Applicable Scenarios: Pantry doors, decorative doors, and other doors that only require push/pull functionality.

Keyed Entry (Different Keys)

• Key Features: Each lock corresponds to a unique key, ensuring security and privacy. Lockable from both inside and outside.
• Applicable Scenarios: Front doors, main entrances, bedrooms, bathrooms, and other spaces requiring high privacy.

Keyed Entry (Same Key)

• Key Features: Allows multiple locks to be opened with the same key, simplifying management and enhancing convenience.
• Applicable Scenarios: Office buildings, shopping malls, hotels, apartments, schools, gyms, storage cabinets, etc.

Shipping

• Free shipping on all orders,no minimum price limited.
• Orders from the following countries, we will arrange shipments from local warehouse:United States,Canada,Australia,United Kingdom
• Shipping time is approximately 2 working days form the process date via Fedex. Please note that public holidays, national holidays and peak seasonal shipping periods could produce longer delivery times.

Return & Warranty

• Please check the items and accessories once you receiving KNOBWELL package, and if there's any quality problem or item missing, please do contact us within 48 hours, and we will arrange refund or replacement as you need.
• 3 Months Warranty Refund
• 1 Year Warranty Free Replacement
• If you have any questions, please contact us through this email:service@knobwellstore.com, we have a professional customer service team will deal with it for you.