Material: This black knob door handle is made of high-quality aluminum alloy, featuring a matte finish, smooth surface, and durable construction. Appearance: The cabinet knobs feature a modern design with a simple appearance and pure black color that complements most home decor styles. The square door handle has a smooth surface with no sharp edges or corners, making it safe for children. Easy to install: Simply drill a hole in the panel, insert the screw, and securely attach the furniture knob. Uses: Cabinet handles are ideal for cabinets, drawers, cupboards, bins, dressers, and nurseries. These knobs are both functional and decorative. Dimensions: Furniture knob diameter: 30 mm, height: 25 mm. Screw length: 23 mm. Please confirm your drawer thickness before ordering; it is recommended to use with materials less than 20 mm thick.