2Pcs 7 inch Hidden Door Hinges-Invisible Hinges for Doors, 180 Degree Swing Concealed 3 Way Adjustable Heavy Duty Secret Door (Silver) About this item ? Size -The hidden door hinge is 7 x 2.8 x 1 inch, suitable for the door with the following dimensions: thickness 40mm, width 1000mm. Two hinges together can support up to 170 pounds and provide a 180-degree opening angle ? Friendly Design, Elegant Stylish - When door is closed, the concealed door hinge can be hidden totally. When door is open, they are elegant and stylish. Make your home looking clean and minimalist ? 3-Way Adjustable, Broad Compatibility - The invisible door hinges can be used as you need, inward or outward, left or right side. 3-dimensional Adjustable (vertical 3mm, horizontal 2mm and depth 1 mm) ? Advanced technology, Reliable and Secure - 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 ? Easy to install Wide Application - The kit includes screws for installation and hex wrench for adjustment. Our invisible hinges are suitable for wooden doors, swing doors, aluminum doors, fire doors, smoke doors, soundproof doors, anti-theft doors, etc Product description How to install Click to play vide