Usage Tips: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 easy-on dowels and 3 self-tapping wooden screws to a . 4D Adjustable Upgrade: 4D hinges can adjust the cabinet door just by turning a screwdriver (Vertical, Horizontal, Depth, Closing Speed), which make sure that your custom-made cabinet doors don't sag, align properly, and open and close smoothly; Closing speed can be adjusted at within 0-7s. SOFT CLOSE CABINET HINGE: Each overlay concealed cabinet hinge includes a built-in POM damper, Reduced closing speed prevents noises from the kitchen and prolongs the life of doors, cabinets, and hinges. Double Electroplated: The material of our overlay cabinet hinges is steel and nickel plated finish and brass plated bottom, and perfect for kitchen cabinet doors, wardrobes, and TV cabinets, bookcases, wine cabinets, and other luxury door connections. Design for Heavy Duty: Hundreds of thousands tested, made of high-quality steel, nickel plated finish, life-time service. Material: steel colour: silver Package Contents: 10 x Hinge 1 pack x screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.