High Quality and Reliable - hinges Conform to the standards and certifications of ISO9001, ISO14001, and SGS. The titanium-plated hinge can withstand more than 100,000 times of opening and closing and can withstand 180 hours of salt spray test, which is more rust-resistant than 304 stainless steel. If you encounter any problems during use, feel welcome to connect with us at any time. We will provide the most attentive service Installation Specification - Cup depth: 11.5mm; Screw holes distance: 45mm; Opening angle: 85 105 degrees; The range of door thickness is 14-22mm, suitable for most cabinet door styles. Each hinge comes with 2 easy-on dowels and 4 self-tapping wooden screws to ensure a perfect fit. Each euro style concealed kitchen cabinet hinge is fit for frameless cabinets Two Open Angles for Versatility - The cabinet door hinges can stop at 85 or 105 when opened. This means that when your cabinet door is close to a wall, you don't need angle clips and you can still open it at different angles as needed SOFT CLOSE CABINET HINGE - Each 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. In addition, it also supports SMALL SOFT CLOSE ANGLE, which can better protect your finger 3D Adjustable Upgrade - 3D hinges can adjust the cabinet door just by turning a screwdriver (Vertical, Horizontal, Depth), which will make sure that your new custom-made cabinet doors don't sag, align properly, and will open and close smoothly