Matte Black Round Door Handle: Crafted from heavy-duty zinc alloy, Calzibeno door knobs built for lasting durability and a solid feel. The advanced electroplating technique creates a textured, scratch-resistant matte black finish that adds a sleek touch to any home. Beyond its stunning look, this door knob with lock is designed to fit perfectly in the palm of your hand, offering an ergonomic and comfortable grip with every turn. Privacy Vintage Unlock Door Knobs: ideal solution for bedrooms, bathrooms, and any interior space where privacy is essential. These matte black door knobs feature a simple push-button lock on the interior side—just press to lock and turn to unlock. For your safety and convenience, an emergency release hole on the exterior allows quick access from the outside using a hex key or any thin tool when needed. With a unlock design that combines ease of use with reliable privacy protection. Universal Door Knobs: With its precision-engineered internal mechanism, black door knob fits with 1 3/8 (35mm) to 1 3/4 (45mm) doors, adjustable latch from 2-3/8 (60mm) to 2-3/4 (70mm). Round door knob is single-cylinder reversible design, suitable for left or right-handed doors. Easy Installation: Hassle-Free setup in minutes, installing your round interior door knobs is simple and straightforward. With the clear instructions or video on the website, you can complete the setup quickly. Upgrade your space effortlessly—no complex tools or professional help required. Satisfaction Door Knobs: Calzibeno provide the beautiful door knobs interior to every customer. Door handle feels good to operate and the locking mechanism is easy to use, providing a convenient user experience. If you have any question about our privacy bathroom/bedroom door knobs, please let us know (via Amazon). ASIN B0G2RLQRTH Color Black Shape Round Lock Type Push Button Lock Brand Name Calzibeno Metal Type Zinc Style Name Vintage Unit Count 6.0 Count Handle Type Knob Item Weight 4.49 Kilograms Manufacturer Calzibeno Model Number SY2171-MB-6 Material Type Zinc Exterior Finish Matte Black Handle Material Zinc Number of Items 6 Hand Orientation Ambidextrous Additional Features Lockable Included Components Installation Hardware Item Dimensions L x W 1 L x 2 W Handle Attachment Mechanism screw