Our round privacy interior door knobs are perfect for use on interior doors that require privacy and locking functionality. The locking mechanism is engaged by turning the thumb button on the inside knob. In emergencies, the locked knob can be unlocked from the outside with a coin or a flat blade screwdriver.These black door knob door handles black feature universal handling, allowing this indoor door knob hardware to be installed on both left and right handed doors.This 10 pack of black door knobs fit all standard doors, and installs easily in just minnutes with a screwdriver.All required mounting hardware for these matte black bulk doorknobs is included, for quick and easy installation.Your satisfaction is guaranteed. Ilyapa stands behind all of its lockset hardware, so if anything ever goes wrong with your handlesets, just let us know, and we will make things right. Product Description Ilyapa Privacy Door Knobs - Black 6 Pack With a one-directional locking function and improved finish, these privacy knobs are ideal for bedroom and bathroom applications. To unlock, no privacy key is needed - unlock from outside with coin or flat blade screwdriver 1 Set Includes: 1 Set of Privacy Knobs 1 Strike Plate 1 Strike Box 1 Adjustable Latch 1 Screw Bag 1 Installation Tool Product Highlights Built with strength and smooth finishes, these knobs will last for years to come. Fit is assured as these knobs will fit on standard, existing, pre-drilled doors. Universal handling allows this hardware to be installed on both left and right handed doors. Includes free mounting hardware for quick and easy installation. Installation Instructions (Same for Passage and Privacy Knobs) Insert Latch After removing existing hardware with the provided installation key, insert the adjustable latch (2 3/8" or 2 3/4") making sure it is parallel to the door face until it is flush to the door. Secure it with the screws provided on your kit. Attach Knobs Place the exterior knob with the two anchors and the spindle guide into the holes of the latch. Then, slide on the inner knob and secure it with the longest screws provided. Install Strike Make sure the depth of strike box fits the hole of prior strike box. Insert the strike box first followed by the strike plate, and secure with the provided screws. Available Finishes Satin Nickel, Oil Rubbed Bronze, Flat Black, Chrome Satin Nickel, Oil Rubbed Bronze, Flat Black Satin Nickel, Oil Rubbed Bronze, Flat Black Satin Nickel, Oil Rubbed Bronze, Black, White Satin Nickel, Oil Rubbed Bronze, Flat Black Satin Nickel, Oil Rubbed Bronze, Black, White Available Pack Sizes 6, 18, and 50 Packs 18 Pack 2 Pack 10 Pack 5 and 10 Pack 10 Pack Dimensions 3.5" x 3.5" 4" x 4" 3.5" x 3.5" and 4" x 4" sizes available 3.25" Long 1.75" x 1" 3.25" Long Included In Packaging Hinges and Installation Hardware Hinges and Installation Hardware Hinges and Installation Hardware Door Stops and Installation Hardware Door Stops and Installation Hardware Door Stops and Installation Hardware