This knob made of crystal glass and aluminum features a sturdy structure and a shiny, charming appearance. Whether it's used to decorate a home or an office, it can instantly elevate the style. The knob has a diameter of approximately 1.18 in. (30 mm) and a height of about the same, 1.18 in. (30 mm), with just the right size. It also comes with three types of screws of different lengths, namely 0.79 in. (20 mm), 0.98 in. (25 mm), and 1.38 in. (35 mm). You can select the appropriate screw length for installation according to the thickness of your cabinet, showing extremely strong adaptability. This crystal knob is not only aesthetically pleasing and artistic but also highly durable. The installation is also very simple. All you need to do is find the installation position on the wooden board and drill a hole, then pass the screw through from the back of the board and tighten it onto the knob. It is suitable for cabinets, dressers, drawers, wardrobes, bookshelves, etc. in every corner of your home. Whether it's the kitchen, bathroom, living room, study, dormitory, or office, it can be perfectly matched and play an excellent decorative role.