The Black Lever Handle Door Knobs are interior door hardware that combines a knob structure with a lever handle. Featuring a matte black finish, the main body of the knob is made of stainless steel and electrostatically sprayed. The knob and lever are integrated into a single design, retaining the compact feel of a traditional knob while offering the comfortable grip of a lever handle.
The Black Lever Handle Door Knobs utilize a matte black electrostatic spray coating, resulting in a smooth, anti-glare finish that effectively reduces fingerprints and stains. The coating offers strong adhesion and a wear resistance rating that meets 72-hour salt spray test standards, making it suitable for use in a variety of climates. The black color offers a calming and understated aesthetic that blends seamlessly with a variety of materials, including wood, metal, and glass doors.
The handle and knob body are constructed from die-cast zinc alloy or 304 stainless steel for high impact resistance. The total net weight is 550g-700g per set, ensuring stability and a comfortable feel even during frequent opening and closing. The internal spring assembly is reinforced with carbon steel to ensure it remains firm even after extended use.
The horizontal lever is 110mm-125mm long, with a gripping surface width of 18mm-20mm. The ergonomic design ensures even rotation and pressing pressure. It's more labor-efficient than traditional knobs, making it suitable for elderly people and children, reducing the inconvenience of slipping hands and opening doors.
The Black Lever Handle Door Knobs are compatible with doors 35mm-50mm thick, a 60mm/70mm center-to-center distance between the latch bolts, and various locking mechanisms (passage locks, privacy locks, and key locks). Mounting screws, a hex wrench, and a spacer are included. Installation takes an average of 8-10 minutes.
A built-in silent rebound spring ensures smooth opening and closing. The rebound time is controlled at 0.4-0.6 seconds, and there's no metallic clatter when opening and closing, effectively extending the lifespan of the lock and door. It's particularly suitable for noise-sensitive residential and office environments.
Black Lever Handle Door Knobs are used in this project, paired with dark wood door panels to highlight the modern British style. They were designated as standard hardware for bedroom and study doors by the developer, Berkeley Group.
Black Lever Handle Door Knobs were chosen for the restroom door handles. The matte black finish perfectly complements the industrial decor. The owner reported excellent fingerprint resistance and low maintenance.
Black lever handle door knobs are used at the conference room entrance, complementing the glass partitions to create a luxurious feel. The silent rebound structure also prevents disruption to the meeting environment.
Black lever handle door knobs are used throughout the hotel's guest room doors. The surface is corrosion-resistant and maintains its color even in high coastal humidity. The design partner is Wilson Associates, a hotel design firm.
The designer installed black lever handle door knobs on both the kitchen and bathroom doors. Considering their moisture resistance and ease of cleaning, a matte black brushed finish was selected to ensure long-lasting beauty.
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