[]: This product has 10 pairs=20 hinges for 10 cabinet doors. Accessories include matching screws and cabinet door buffer rubber pad (which can make the cabinet door quietly).[Size and features]: The screw hole size of hinge wing installed on the from center to center is 2-1/8 inch. The thickness of cold-rolled steel substrate is 1.5mm (about 1/16 inch). This product has automatic closing, semi-, variable cover hinge and black electroplating finish.[Installation instructions]: installation, carefully confirm the installation drawing of the product link, and install and use it correctly according to the drawing.[Application Description]: You have purchased the cabinet door hinge which is only used for 3/8-inch embedded cabinet design. This product is a 3/8-inch embedded hinge. use the right for your cabinet door, [Service description]: If you are not satisfied with the hinge for any reason, to contact customer service department for help. We will friendly and convenient supportColour:blackMaterial:MetalPackage Contents:20 x hinge100 x screwOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.