Packaging: Hole diameter Ø 16 mm, opening angle 180 degrees. (Note: The package does not include screws; one side is equipped with expansion screws, and a groove must be cut for installation.) Material: The barrel hinge is made of brass, providing corrosion and oxidation resistance. This ensures that the hinge does not rust even after long-term use, maintaining a shiny appearance and enhancing the overall quality of the product Smooth Opening: The hinge's design is precise, allowing for extremely smooth opening and closing. These hidden hinges can be opened and closed freely, minimizing noise when the door closes. Reinforced arms increase load capacity, making the hinge more sturdy and stable. The barrel hinge has a high load capacity, with a maximum load of 8 kg per pair Concealed Design: Once installed, the hinge is invisible from the outside, offering a simpler and more elegant appearance, enhancing the aesthetic of high-end boxes such as jewelry boxes, now with a refined look Wide Application: These cylindrical hinges are widely used for furniture, decorative boxes, gift packaging, and more. Whether for domestic furniture or DIY projects, you can use these small barrel hinges to make pens, pencils, or other small boxes, Manufacturer: BE-TOOL