Crystal material: Diamond door handles are 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, wardrobes, drawers, wardrobes, bookcases, wardrobes and other furniture. so 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 card and tighten the knobs on the other side. It is quite easy for you to install them only with household tools. Wide Application: Material diameter of drawer knobs is 1.18 inch (30mm), it is a nice size Comfortable for small children's hands and large adult hands. Ideal for cupboard, dresser, drawers, cupboard, cupboards, kitchen, wardrobes, a bookcase in your home, bathroom, living room, bookcase, dormitory, bedroom and office. Warm tips: length of screws, 4mm * 25mm, please measure the thickness of cabinets or any other board you want to install before ordering.If you have any questions about our products, please feel free to contact our customer service.