MIMIRACLE Heavy Duty Self Closing Door Pivot Hinges - Adjustable Speed, 304 Stainless Steel, 360 Degree Shaft, Hidden Door Hinges for Wood Secret Door

Automatic Closure: Enjoy the convenience of automatic door closure within the optimal opening angle of 45-90 degrees, coupled with an adjustable rebound speed for a tailored experience. | Invisible Elegance: Our secret door hinges are hidden from view, providing a sleek and minimalist appearance. Once installed, the door operates smoothly with no visible external hinges, adding an elegant touch to your space. | Premium Quality Construction: Crafted from high-quality 304 stainless steel and zinc alloy, these self-closing hinges are not only durable but also waterproof and rust-proof, ensuring a comfortable and long-lasting use without any squeaks. | Versatile Compatibility: Specifically designed for heavy doors, these pivot hinges are suitable for wooden, cabinet, and other alloy doors. With a load capacity of up to 60kg (130 pounds), they offer reliable support for various applications. | Optimal Door Size Range: Perfectly suited for doors with a height ranging from 59 to 87 inches, width of 59 inches, and thickness between 1.3 to 2 inches. Included in the package is a manual providing precautions and instructions for hassle-free installation.