Bartuda 2 Pack Ultra-Thin Hidden Door Hinges, Heavy Duty Adjustable Invisible Concealed Hinges, Black Silent Smooth 110° Opening Hinges for Secret Doors, Hidden Rooms, Pantries & Closets

Ultra-Thin Low-Damage Invisible Design --- Our ultra thin hidden hinge and thin hidden door hinges only require 0.2"-0.5" shallow slots to avoid deep routing damage. As a slim concealed door hinge thin profile, these hidden hinges for doors preserve door integrity while providing a sleek, clean invisible door hinges finish.

Heavy Duty Zinc-Aluminum Alloy Construction --- Constructed from premium zinc-aluminum alloy for durability and rust resistance, these hidden door hinges heavy duty support up to 133lb per pair. With a 110° opening angle, they perform as reliable concealed door hinges, door hidden hinges, and heavy-duty hidden door hinge for daily interior door use.

Adjustable Door Hinge for Perfect Alignment --- This adjustable door hinge features ±3mm vertical and ±1mm horizontal fine-tuning to eliminate gaps and misalignment. It works seamlessly with invisible concealed door hinge, concealed hinges for door, and hinges for a hidden door to ensure smooth and stable operation.

Fully Concealed for Secret Doors & Hidden Rooms --- These hidden concealed hinges and invisible door hinges are fully invisible when closed. Ideal as secret door hinge, hidden door hinges for secret door, invisible hinges for secret door, and concealed hinges for doors in hidden rooms, pantries and closets.

Complete Secret Door Hinge Kit for Easy Installation --- This all-in-one secret door hinge kit includes 2 hidden door hinges, mounting screws, wrenches and detailed instructions. Designed for door hinge for hidden door and standard door hinges hidden installation, it is suitable for both DIY users and professional installation.