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Lightweight Aluminum Material：Made from lightweight forged aluminum alloy with a special rust-resistant finish. 60% lighter than iron hinges, it resists rust and corrosion, and won't fade or deform in humid environments.
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Ultra-Quiet Self-Closing System：Built-in highly elastic spring bearings ensure a gentle and silent closing. Adjustable force ensures a secure, automatic closing for everything from lightweight fences to heavy wooden doors.
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Quick Installation：Includes a full set of rust-resistant screws and pre-drilled mounting holes on the hinge plate. Simply align the holes in the door frame and tighten. Suitable for both left and right doors, regardless of orientation.
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Invisible Security Design：Compact, pure black design makes it virtually invisible when installed on the door frame. Its self-closing function is ideal for homes with children and pets.
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Versatile：Suitable for use in everything from garden fences and patio doors to tool sheds and pet enclosures. Rainproof and sun-resistant, it opens and closes smoothly.