Measurement: Single Hole Cabinet Knob, Top Diameter: 1.18inch(30mm); Base Diameter: 0.5in (15mm); Height: 0.86 inch(22mm) Modern Round Design: The sleek, modern design of these round drawer knobs complements various cabinet styles, including kitchen, dresser, bathroom, and bedroom cabinets. These knobs provide a clean and polished look to your cabinets Study and Robust: These single hole cabinet knobs are made of premium and strong Zinc Alloy. The deep threaded design makes the cabinet knobs difficult to loosen and therefore fall off Safe Material: The composition is safe, allowing you to place the cabinet door handle anywhere within reach without any concerns Easy to Install: Ravinte cabinet knobs come with detailed installation instructions, equipped with two different sizes of screw (1 pcs *1" screws and 1 pcs*1.75" detachable screws), making installation easy and fast This single-hole cabinet knob measures a top diameter of 1.18 inches (30mm), a base diameter of 0.5 inches (15mm), and a height of 0.86 inches (22mm). The sleek, modern round design complements various cabinet styles, including kitchen, dresser, bathroom, and bedroom cabinets, providing a clean and polished look. Made of premium and strong Zinc Alloy, these knobs are sturdy and robust, with a deep threaded design that makes them difficult to loosen and fall off. The safe composition allows you to place the cabinet door handle anywhere within reach without concerns. Ravinte cabinet knobs are easy to install, with detailed instructions and two different sizes of screws (1 piece of 1" screw and 1 piece of 1.75" detachable screw) included for quick and fast installation.