Invisible Design: These barrel hinges are concealed within the door or box, providing a seamless and hidden look. Provides smooth and seamless movement for opening and closing doors or boxes. Brass Material: Made of solid brass, these hinges are durable and resistant to corrosion. These invisible brass barrel hinges will keep your items looking new. Easy to Install: These hinges are easy to install and can be hidden by simply drilling holes in the wood. Suitable for hidden or secret compartments where traditional hinges would be visible. Application: Install these hinges on jewelry boxes, pencil boxes, cabinet doors, small woodworking projects, or any other small item that requires a concealed hinge. Use them in DIY projects to give a sleek and modern look to your designs.