General description Invisible hinges provide a sleek and modern look for your doors and cabinets, remaining completely hidden when the door is closed. This set includes 4 high-quality brass and stainless steel cylindrical hinges, perfect for various furniture applications. Technical specifications Diameter: 16mm Length: 33mm Opening angle: 180 degrees Usage These hinges are ideal for use in cupboards, cabinets, and other furniture, allowing for a clean and unobtrusive design.