Made of high quality solid brass, sturdy and durable, antioxidant surface treatment, will not rust or fade. Dimension: diameter 34 mm. Height 30 mm, weight: 47 g The minimalist design fits any style of cabinetry, prefer your kitchen, bathroom, living room, drawer, dresser or update some old furniture. Very easy to install, screw length 25mm. Suitable for 18-22mm thick wood board. The package includes 10 brass knobs and 12 screws. If you have any questions, please feel free to contact us, we will respond to you within 24 hours.