Crystal material: Diamond door handles are made of diamond shaped crystal glass, drawer knob pack screws are metal aluminum alloy, not plastic, crystal door knobs are sturdy and durable.Excellent decoration: glass knobs are suitable for all dressers, cabinets, drawers, cabinets, bookcases, cabinets and other furniture. Being beautiful, practical and economical, small glass knobs are popular for decoration.Easy to install: First find the place where you want to install and drill a hole on the board. Then pass through the screw on the back of the board and tighten the knobs on the other side. It's quite easy for you to install them only with household tools.Wide Application: The drawer knobs hardware diameter is 1.18inch (30mm), it's a nice size comfortable for small children's hands and large adult hands. Ideal for cabinet, dresser, drawers, closet, cupboards, kitchen, wardrobes, a bookshelf in your home, bathroom, living room, library, dorm, bedroom and office.Warm tips: screw length, 4mm*25mm, please measure the thickness of the cabinets or any other boards you want to install before ordering. If you have any questions about our products, please feel free to contact our customer service.