Superb Material and Great Hardware:kitchen door handles apply modern design. Best for the cabinet doors, cupboard doors, bedside table drawers and more kinds of wooden furnitures.The drawer knobs are made of high quality Aluminum alloy base metal, sturdy and durable, do not leave fingerprints Accurate Size Bar Handle: Size of square Knobs:Diameter 4cm(1.57'');Base Height: 2cm(0.79'').Screws: M4X22mm, used for 19-20mm cabinet thickness. Please check the Size of handles you require carefully before purchasing Easy Installation: Just find the position where you want to install on the board and drill a hole, then pass through the screw from the back of board and thread tight to the kitchen cupboard knob After Sales: We are committed to bringing high quality handles to our customers, if there is any quality problem with the knobs received, you can always email us and we will reply to your mail within 24 hours, and we will replace or refund, Weight: 0.661386786 pounds, Manufacturer: Bohaner