Specification Brand : JINYEZI BulletPoint1 : Door Hinges - The kit includes screws for installation and hex wrench for adjustment. Our invisible hinge is suitable for wooden doors, swing doors, aluminum doors, fire doors, smoke doors, soundproof doors, anti-theft doors, etc. BulletPoint2 : SIZE - Our hidden door hinge size is 6x2.5x1 inch, can be used for door thickness>35mm, Door Width<850mm, 2 invisible hinges can easily hold up an 88lb door. BulletPoint3 : EASY INSTALLATION - Three-dimensional adjustable range: vertical ± 3.0mm, horizontal ± 2.0mm and depth ± 1.0mm, do not have to remove the door can be adjusted.do not have to remove the door can be adjusted. BulletPoint4 : The concealed hinges are made of high-quality zinc alloy with integrated die casting processing which has enhanced durability, bearing capacity and wea-resisitant. The additional built-in spacers ensure silent opening and closing. BulletPoint5 : CONCEALED DESIGN, ELEGANT & STYLISH - When the door is closed, the hidden hinges allow the door to be completely hidden. When the door is open, they are elegant and stylish. BulletPoint6 : Screw size: 5.3mm BulletPoint7 : Easy to install. BulletPoint8 : 2 pk Color : Black ExternallyAssignedProductIdentifier : 4510932022903 ExternallyAssignedProductIdentifier1 : 601320472517 ExternallyAssignedProductIdentifier2 : 0601320472517 ExternallyAssignedProductIdentifier3 : 00601320472517 FinishType : Oil Rubbed IncludedComponents : screw ItemDisplayWeight : 65 grams ItemName : Hidden Door Hinge, Invisible Hinges, Invisible Door Silent Door Hinge,Heavy Duty Invisible Hinges, 180 Degree Swing Hinge,3 Way Adjustable & Heavt Duty Hinges,6 x 2.5 x 1 Inch (2 Hinges, Black) ItemPackageDimensions_Height : 1.5 inches ItemPackageDimensions_Length : 9.5 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : stop-hinges ItemTypeName : Hinge H Manufacturer : JINYEZI Material : Zinc ModelName : Door Hinges ModelNumber : H-AjL-06 MountingType : Flush Mount NumberOfItems : 2 PackageLevel : unit PartNumber : H-AjL-06 Pattern : Torque: 1.6 ft (7.0 m) ProductDescription : Hidden door hinge/invisible door hinge 180 degree swing hinge: Made of high quality zinc alloy! The four-axis force is stable and load-bearing, and the four support points are designed for better stability and service life! There are independent screw holes on the top of the cover, and there are no screw hole decorations on the surface! The round and smooth lines highlight the beauty of the design, which is dustproof and beautiful. Package included: 2x Invisible Hinge (Mounting Screws and Adjustment Tools are included) 1x Instructions