5.5 Inch Hidden Door Hinges For Secret Doors 180 Degree Heavy Duty Invisible Hinges Silent 3D Adjustable Concealed Hinges Black Set Of 2 Per Hinge Capacity 133lb 60kg Completely Hidden Design For Sleek Modern Walls

5.5-Inch Hidden Door Hinges, 2-Pack, 180° Concealed
✔️ 2 hinges per pack; 3D adjustable; 180° opening; 133 lb cap

These 5.5 in x 3.2 in x 1 in concealed hinges create invisible doors for modern interiors, feature walls, and secret panels. Each hinge footprint is 140 mm x 81 mm x 25 mm, with a total paired capacity up to 133 lb.

✅ 180° opening for full access and ventilation
✅ 3D adjustable alignment: vertical ±2.5 mm, horizontal ±1.0 mm, depth ±2.5 mm
✅ 133 lb total capacity with 2 hinges (66.5 lb per hinge)
✅ Completely hidden design for sleek modern walls
✅ Includes screws, decorative cover, and adjustment tool

💡 What is a hidden door hinge used for in modern interiors and secret doors? Hidden hinges are handy for flush walls, seamless doors, and feature walls in homes and offices. - concealed door hinge for hidden doors and feature walls - 3D adjustable alignment for precise fitting - 180-degree swing for easy access - supports up to 133 lb with two hinges