Wide Application: The package contains 2 hinges and 8 screws, It can be widely used in hotels, clubs, wooden doors, counter doors, worktop,revolving door, swinging doors, kitchen door, cabinets, closet doors, flip windows, wooden doors, aluminum frame doors and many DIY projects.Easy to Install: Easy to attach with hole, cross hinge fit for door round corner assembly, perfect for closet door, sliding door. Its installation is very convenient. First digging the hole where the hinge needs to be installed, then vertically alignment of the upper and lower holes position is required, fix it with screws, and finally tighten the screws. #1 for Door thickness 0.8"; #2 for Door thickness 0.8"; #3 for Door thickness 1"; #4 for Door thickness 1.2"; #5 for Door thickness 1.4"; #6 for Door thickness 1.6"180 Opening Degree: The hinge is installed on the door leaf with a 180 degree opening angle, and it can be hidden after closing. This unique hidden design can make your cabinet simple and beautiful. In addition, there is almost no gap after closing the hinge, which is very suitable for folding doors.Opening & Closing Silently: The Concealed Cross Hinges uses a roller track design, opening and closing silently, without noise. And the overall structure of the hinge hinge is stable, durable and not easy to loosen, which can ensure the safety of you and your family.High-quality Zinc Alloy Material:Made of high quality zinc alloy, anti-rust and corrosion-resistant, durable and sturdy to use, which can ensure the quality and service life of the hinge. In addition, the thickened siding of the hinge improves the load-bearing capacity of the hinge and the size of each hinge is 0.51*1.77 INCH13 * 45MM,each pair load-bearing can get 10kg,which can prevents the occurrence of fractures caused by excessive force.