1.Installation Specification: Cup diameter is 35mm; Cup depth is 11.5mm, Screw holes distance is 45mm; Opening angle is 105 degrees, suitable for most cabinet door styles. Each cabinet hinge comes with 2 easyon dowels and 3 selftapping wooden screws to ensure a perfect fit. 2.SOFT CLOSE CABINET HINGE: Each overlay concealed cabinet hinge includes a builtin POM damper, Reduced closing speed prevents noises from the kitchen and prolongs the life of doors, cabinets, and hinges. In addition, it also supports SMALL SOFT CLOSE ANGLE, which can better protect your finger. 3.Double Electroplated: The material of our overlay cabinet hinges is high quality steel and nickel plated finish and brass plated bottom, durable and perfect for kitchen cabinet doors, wardrobes, and TV cabinets, bookcases, wine cabinets, and other luxury door connections. 4.4D Adjustable Upgrade: 4D hinges can be easily adjusted for cabinet doors (vertical, horizontal, depth) with a simple turn of a screwdriver, ensuring that your bespoke cabinet doors will not sag and are perfectly aligned, with a smooth and quiet open and close.