Centers: 1" (25.4 mm) <br>Total Dimensions: 1-1/2" x 1-1/2" (38 mm x 38 mm) <br>Knuckle Projection: 3/16" (4.8 mm) <br>Hinge Projection: 1/16" (1.6 mm) "<p>Our butterfly hinges are good application for tiny boxes or small cabinets, jewellery boxes and etc. " <br>The easily mounted cabinet hinges are perfect appliance for building or restoration projects required these type of hinges.<br>