12 Pack Door Handles Interior, Passage Door Levers for Hallway&Closet, Interior Closet Door Knobs Heavy Duty Square Locking Handlesets(1.3lb), Reversible for Left&Right Sided Doors

<p></p><p>The Metal Entrance Handle with Square Panel is designed for both functionality and durability, making it ideal for various settings, including commercial spaces, and bathrooms. This heavy-duty handle set includes twelve pieces, ensuring you have enough for multiple doors.</p><p></p><p>Specification:</p><p>Product name: Lever Door Handle</p><p>Lock Material: Aluminum Alloy</p><p>Quantity: 12 boxes</p><p>Fit Door Thickness: about 35mm-53mm/1.4in-2in</p><p>Handle Length: about 122mm/4.8in</p><p>Lock handle base: about 65mm/2.56in</p><p>Latch adjustable: about 10mm/0.4in (from 60mm to 70mm/2.3in -2.7in)</p><p>Unlock: Internally unlocked by turning a knob, externally unlocked by a key</p><p>Each set includes a handle base, two keys, a dust box, six screws, a lock tongue, and a strike plate</p><p>Weight per box: 610g/1.3 lbs (heavy-duty square door lock)</p><p>Suitable for right-handed or left-handed doors</p><p></p><p>Customer Urgent Measures:</p><p>1. Stuck due to metal friction: Mechanical lubrication</p><p>① Spray graphite powder spray onto the lever and latch groove</p><p>② Open and close the lock repeatedly 5-8 times to help the lubricant penetrate</p><p>③ Wipe off excess oil to prevent dust absorption</p><p>Note: Do not use regular motor oil (it easily attracts dust and forms sludge)</p><p>2. Stuck due to door frame deformation: Clearance adjustment</p><p>① Loosen the set screws (requires a cross screwdriver)</p><p>② Apply 1 or 2 layers of insulating tape to the contacting surfaces between the door frame and the latch tongue </p><p>③ Re-tighten the screws and test for smooth opening and closing</p><p>Limitation: Limited effectiveness when door frame deformation exceeds 2mm</p><p>3. Difficulty inserting and removing the key: Urgent key solution</p><p>① Lightly sand the key teeth with fine sandpaper (600 grit or higher)</p><p>② Apply pencil lead powders (graphite lubrication) between the key teeth</p><p>③ Avoid forcible key rotation</p><p></p><p>Packing list:</p><p>Handle base *12</p><p>24 *keys (any extras are for backup)</p><p>Dust box *12</p><p>Screws *72</p><p>Lock tongue *12</p><p>Door strike plate *12</p><p></p>

• Commercial-Grade 12-Piece Set: Includes 12 complete heavy-duty lever handle sets, each with a handle base, latch, strike plate, two keys, and mounting screws—ideal for multi-door installations in offices, hotels, or apartments.
• Durable Aluminum Alloy Construction: Built from robust aluminum alloy with a sleek square panel design, offering long-lasting performance and corrosion in high-traffic indoor settings.
• Adjustable Backset for Versatile Fit: Latch backset adjusts from 60mm to 70mm (2.3–2.7 inches), accommodating standard door thicknesses between 35mm and 53mm (1.4–2 inches) for easy installation.
• Keyed Entry with Internal Privacy: Lock can be opened from outside with a key and from inside with a turn knob, providing security and convenience for bathrooms, storage rooms, or private offices.
• Handing for Any Door: Suitable for both right-handed and left-handed doors without modification, simplifying inventory and installation for contractors or property managers.
• Includes Troubleshooting & Lubrication Guide: Comes with clear instructions for addressing common issues like friction, door frame misalignment, or key sticking—ensuring smooth long-term operation.